St. Petersburg (Russian: Санкт-Петербург； Saint Petersburg), located in the northwest of Russia, along the Baltic Sea and the Neva estuary, between 59 ° ~ 60 ° north latitude and 29 ° ~ 30 ° east longitude, is the central municipality of Russia, the capital of Leningrad state, the central city of Northwest Russia, an important land and water transportation hub in Russia, and the northernmost city in the world with a population of more than one million, Also known as the "northern capital" of Russia. St. Petersburg is also the headquarters of the Russian Federation naval fleet.
St. Petersburg is the second largest city in Russia, with an area of 1439 square kilometers, including an urban area of 606 square kilometers. Founded in 1703, St. Petersburg has a history of more than 300 years. The city name comes from St. Peter, the disciple of Jesus. Peter I moved his capital to Petersburg in 1712. It was the center of Russian culture, politics and economy for more than 200 years until 1918. In 1924, it was renamed Leningrad in memory of Lenin, and its original name was restored to St. Petersburg in 1991. St. Petersburg and the historic center have become UNESCO World Heritage sites. St. Petersburg occupies an important position in the Russian economy and is a large comprehensive industrial city. St. Petersburg is often called the most westernized city in Russia. It is the window from Russia to Europe. Many foreign consulates, multinational corporations, banks and other business strongholds are located in St. Petersburg. It is also an international city with high development of science, technology and industry.圣彼得堡（俄语：Санкт-Петербург；英语：Saint Petersburg），位于俄罗斯西北部，波罗的海沿岸，涅瓦河口，处于北纬59°~60° 、东经29°~30°之间，是俄罗斯的中央直辖市，列宁格勒州的首府，俄罗斯西北地区中心城市，全俄重要的水陆交通枢纽，是世界上人口超过百万的城市中位置最北的一个，又被称为俄罗斯的“北方首都”。圣彼得堡也是俄罗斯联邦海军舰队的总部所在地。圣彼得堡是俄罗斯第二大城市，面积1439平方公里，其中市区面积606平方公里。圣彼得堡始建于1703年，已有300多年的历史，市名源自耶稣的弟子圣徒彼得。1712年彼得一世迁都到彼得堡，一直到1918年的200多年的时间里这里都是俄罗斯文化、政治、经济的中心。1924年为纪念列宁曾更名为列宁格勒，1991年又恢复原名为圣彼得堡。圣彼得堡和历史中心古迹群构成为联合国教科文组织世界遗产。圣彼得堡市在俄罗斯经济中占有重要地位，是一座大型综合性工业城市。圣彼得堡经常被称为俄罗斯最西方化的城市，是俄罗斯通往欧洲的窗口，许多外国领事馆、跨国公司、银行和其他业务据点均位于圣彼得堡，也是一座科学技术和工业高度发展的国际化城市。
Atlanta is located in the east of the United States and on the platform at the foot of the Appalachian Mountains at an altitude of 350 meters. It is one of the three highland cities in the United States. It is the county government residence of Fulton County. It is the 9th metropolitan area in the United States. It is also the capital of Georgia and the largest industrial and commercial city in the United States. As a railway hub, Atlanta's development began in the early 19th century. It was destroyed during the civil war, but quickly rebuilt after being elected as the state capital. In the 20th century, it was the center of the American civil rights movement and hosted the 26th Summer Olympic Games (1996 Atlanta Olympic Games), which was also the Centennial Olympic Games. Atlanta is the gathering place of the top ten rich in the United States. There are many rich people with more than ten million dollars in the United States. In 2013, Atlanta was rated by time magazine as the largest city for wealthy Americans to start a business. It covers an area of more than 350 square kilometers, has a population of more than 500000, and has 5 million urban areas, of which blacks account for 52%. It is not only a famous historical city, but also an emerging industrial and commercial city and cultural, medical and health center. Built as a railway terminal in 1836, it was a strategic place for the Southern Army during the Civil War (1861-1865). Destroyed in the civil war and rebuilt later. Land and air transportation and financial center in the southeastern United States. In the past 20 years, with the southward migration of industry and Commerce and population in the north, it has developed rapidly, including aircraft, automobile, fiber, machinery, steel, food and other industries. Delta Airlines and Coca Cola are headquartered here. There are Emory University (the latest ranking of us news is No. 21 ), Georgia Institute of Technology (the latest ranking of us news is No. 29) and Georgia State University. Nearby universities are the University of Georgia (the latest ranking of us news is No. 54). Many museums and parks. Tourism is developed. It became a sister city with Chengdu on September 6, 2007.亚特兰大（Atlanta）位于美国东部，坐落在海拔350米的阿巴拉契亚山麓的台地上，是美国三大高地城市之一，是富尔顿县的县政府驻地，是美国第9大都市区，亦是美国佐治亚州首府和最大的工商业城市。作为一个铁路枢纽，亚特兰大的发展始于19世纪早期，在南北战争时期被摧毁，但在被选为州府后迅速重建。20世纪，它是美国民权运动的中心，并举办了1996年第26届夏季奥林匹克运动会（1996年亚特兰大奥运会），此届运动会同时也是百年奥运会。亚特兰大是美国十大富豪集聚地，这里生活着众多美国的千万美元以上的大富豪。2013年，亚特兰大被时代杂志评为美国富人最想创业的大城市。面积为350多平方公里，人口50多万，大市区500万，其中黑人占52%。它既是一座历史名城，也是一个新兴的工商业城市和文化、医疗卫生中心。1836年作为铁路终点站而兴建，是南北战争(1861-1865)时南方军的战略要地。毁于南北战争，后再重建。美国东南部陆空交通要地、金融中心。近20年来，随北方工商业和人口南迁，发展迅速，有飞机、汽车、纤维、机械、钢铁、食品等工业。达美航空公司和可口可乐公司总部设此。有艾默里大学（US NEWS最新排名居第21位  ），佐治亚理工学院（US NEWS最新排名居第29位）和佐治亚州立大学，邻近大学有佐治亚大学（US NEWS最新排名居第54位）。多博物馆和公园。旅游业发达。2007年9月6日与我国成都市结为友好城市。
Macon, USA. A city of central Georgia on both banks of the okmlgee River, 125 kilometers southeast of Atlanta. With a population of 150000, blacks account for more than one third. Built in 1823. Transportation hub. In the early days, cotton weaving industry was developed. Now, in addition to the developed textile industry, there are many industries such as agricultural machinery, automobile and aircraft parts, fertilizer, flour, food processing, pottery (high-quality pottery produced nearby).梅肯（Macon），美国。乔治亚州中部城市，跨奥克姆尔吉河两岸，在亚特兰大东南125公里。人口15万，黑人占三分之一以上。建于1823年。运输枢纽。早期棉织业已发达，现除发达的纺织工业外，还有农机具、汽车和飞机零件、肥料、面粉、食品加工、陶器（附近产优质陶土）等多种工业。
Rock Island refers to an isolated island surrounded by water after some rock (stratum) blocks remain in the riverbed due to the crustal movement and the difference of rock properties. It is called Rock Island. It is often seen in the middle and upper reaches of rivers. It stands against the water and is the mainstay of majestic momentum. Changmenyan island is located in the depths of the Yellow Sea, with an area of only 0.16 square kilometers. It is a "four no islands" without fresh water, residents, flights and regular electricity. There are 495 winter resistant trees on the island, which are between 200 and 830 years old. The trees are evergreen all the year round and bloom in winter and summer. When the flowers bloom, the island is red and enchanting. Changmen rock is named "winter resistant island".岩岛是指由于地壳运动，岩石性质的差异，经过流水的侵蚀，一些岩石（地层）块体残留在河床中，成为四面环水的孤岛，叫岩岛。它多见于河流的中上游，迎水而立，中流砥柱气势雄伟。长门岩岛位于黄海深处，面积仅0.16平方千米，是个无淡水、无居民、无航班、无常明电的“四无小岛”。岛上生长着495棵树龄在200至830年间的耐冬，此树四季常青，冬夏两季开花。花开时小岛红透，分外妖娆。长门岩因而得名“耐冬之岛”。
Aurora (Colorado) is the third largest city in Colorado (population 297235 in 2005) and the largest city in Arapaho county. Some are located in Adams County and Douglas County. It opened in 1891, formerly known as Fletcher. It was renamed in 1907. The city is the 56th largest city in the United States, with rapid development. It has great potential in both economic development and tourism.奥罗拉（Aurora, Colorado）是美国科罗拉多州第三大城市（2005年人口297,235人）、阿拉帕霍县最大的城市。一部分分别位于亚当斯县和道格拉斯县。1891年开埠，原名费莱彻。1907年改名。该城市为美国第56大城市，发展迅速，无论是经济发展，还是旅游业都比较具有潜力。
Chicago, located in the south of Lake Michigan, is the third largest city in the United States and one of the international financial centers in the world. Chicago is located in the center of the North American continent. The coordinates of the city center are 41 ° 39 'north latitude and 87 ° 34' west longitude. It is the largest business center and one of the largest futures markets in the United States. The number of new enterprises in its metropolitan area has always ranked first in the United States and has been rated as the most balanced economy in the United States. In addition, Chicago also has many tall buildings, known as "the hometown of skyscrapers". As of July 2018, the population of Chicago was about 2706000. Chicago is one of the most important cultural, scientific and educational centers in the United States. It has the world's top universities, the University of Chicago, Northwest University and the world-famous Chicago school. As of October 2019, more than 100 Nobel laureates have worked and studied in Chicago (100 at the University of Chicago and 19 at Northwestern University). Chicago is a tourist destination. In 2016, it received more than 50 million tourists from all over the world. The time zone of Central American time represented by Chicago is UTC / gmt-6 (West Zone 6), which is 14 hours different from Beijing time at UTC / GMT + 8 (East Zone 8) (13 hours different from Chicago daylight saving time). In 2016, Chicago's GDP reached US $537.3 billion.
芝加哥（Chicago），位于美国密歇根湖的南部，是美国第三大城市，也是世界的国际金融中心之一。芝加哥地处北美大陆的中心地带，城市中心坐标为北纬41°39′、西经87°34′，是美国最大的商业中心区和最大的期货市场之一，其都市区新增的企业数一直位居美国第一位，被评为美国发展最均衡的经济体。此外，芝加哥还拥有很多的高楼大厦，被誉为“摩天大楼的故乡”。截止至2018年7月，芝加哥人口约为270.6万。芝加哥是美国最重要的文化科教中心之一，拥有世界顶级学府芝加哥大学（The University of Chicago）、西北大学（Northwestern University）和享誉世界的芝加哥学派。 截止至2019年10月，逾百位诺贝尔奖得主曾在芝加哥工作、求学过（芝加哥大学100位、西北大学19位）。芝加哥是旅游圣地，2016年共接待全世界超过5000万名游客。芝加哥代表的美国中部时间所在的时区是UTC/GMT-6（西六区），与处在UTC/GMT+8（东八区）北京时间相差14小时（芝加哥夏令时期间相差13小时）。2016年，芝加哥地区生产总值达到了5373亿美元。
Milwaukee is the largest city and Lake Harbor in Wisconsin. Located on the West Bank of Lake Michigan. Wisconsin industrial and commercial city. The urban area is 249 square kilometers. According to the U.S. census data, the urban population is 623100 (2013), and the population of large urban areas exceeds 1.89 million (2013). Among them, 15% are descendants of German immigrants, and blacks account for 1 / 4; The metropolitan area includes four counties, covering an area of 3856 square kilometers, accounting for more than 1 / 4 of the state's population; It is located on the steep bank of the lake, with an altitude of 193.5m; The average temperature in January is - 5.4 ℃ and 22.1 ℃ in July. The annual precipitation is 740mm. The native Indians call it "Millo Waukee", which means "beautiful land". Milwaukee is the most economically developed city in Weizhou, and the economic output value of the whole city accounts for more than 45% of the whole Weizhou.密尔沃基（Milwaukee）是威斯康星州最大城市和湖港。位于密歇根湖西岸。威斯康星州工商业大城。市区面积249平方公里，根据美国人口普查数据，市区人口为62.31万（2013年），大市区人口超过189万（2013年）。其中15%是德国移民后裔，黑人占1/4；大市区包括4个县，面积为3,856平方公里，人口占全州人口的1/4以上；地处滨湖陡岸，海拔193.5米；1月平均气温-5.4℃，7月22.1℃，年降水量740毫米，原居民印第安人称“密尔洛—沃基”，意为“美丽的土地”。密尔沃基是威州经济最发达的城市，全市经济产值占整个威州的45%以上。
Gary is a city located in Lake Michigan, Lake County, northwest Indiana. According to the statistics of the U.S. Census Bureau in 2000, there are 102746 people, of which 84.03% are African Americans and 11.92% are whites. Gary was famous for Michael Jackson and his family members in the 1980s. Many people came to the city to visit the hometown of the Jackson family and generate income for the local tourism industry. In recent years, residents of neighboring cities in Indiana have moved to the city. In 2009, it reached a peak after Michael Jackson's death. The city government website set up a page to commemorate Michael Jackson and his family.加里（Gary）是位于美国印第安纳州西北部莱克县密歇根湖畔的一座城市。根据美国人口调查局2000年统计，共有人口102,746，其中非裔美国人占84.03%、白人占11.92%。加里市1980年代因麦可·杰克森及其家族成员而出名，很多人慕名前来该市游览杰克森家族的家乡，为当地旅游业创收。最近几年印第安纳州临近城市的居民纷纷移居该市，2009年在麦可·杰克森逝世后更达到高峰，该市政府网站专门建立页面来纪念麦克杰克森极其家人。
South Bay is located in Los Angeles County, Southern California.南湾位于美国南加利福尼亚州南部洛杉矶县。
Founded in 1865, COCOMO is located in the north central part of Indiana. The city's railways extend in all directions, and its industries include auto parts, precision instruments, radio, agricultural tools, rubber products, clothing, canned food, etc. The city produced the world's first commercial vehicle, the first pneumatic tire and the first all transistor car radio, and became a sister city with Dongyang City, Zhejiang Province, China. An industrial and commercial city in Indiana, 93 kilometers north of Indianapolis. The population is 47000. It was originally a trade point for Indians in 1842. The city was founded in 1865. Located in the center of a fertile agricultural area. Railways extend in all directions. Industries include auto parts, precision instruments, radios, farm tools, rubber products, clothing, canned food, etc. The first American car was produced here in 1893.科科莫市于1865年建市，位于美国印第安纳州的中北部。该市铁路四通八达，工业有汽车零件、精密仪器、无线电、农具、橡胶制品、服装、罐头食品等。该市产生了世界上第一辆商用汽车、第一个充气轮胎、第一个全晶体管车载收音机，与我国浙江省东阳市结为友好城市。科科莫 美国印第安纳州的工商业城市，在印第安纳波利斯以北93公里处。人口4.7万。1842年原是印第安人的贸易点。1865年建市。位于富饶农业区的中心。铁路四通八达。工业有汽车零件、精密仪器、无线电、农具、橡胶制品、服装、罐头食品等。第一辆美国汽车1893年在这里产生。
Des Moines is the city and capital of Iowa. Located at the confluence of Des Moines River and recorn River in the southwest of the state, it is the largest city, political and economic center of the state. The current mayor is Mr. Franklin Connie. Des Moines, the most populous city and capital of Iowa, USA. It is located at the confluence of Des Moines and recorn rivers in the southwest of the state. The 2010 census shows that the population of the city center is 203000 and the population of the metropolitan area is 580000. Founded in 1843, it became the capital in 1857. The word Des Moines comes from French and was named by the French colonists at that time. Des Moines is a railway transportation hub. Trade and financial center. It is located in the center of corn belt and coalfield belt. The industry mainly focuses on the processing of agricultural and livestock products (meat, flour, dairy products, etc.) and the manufacturing of agricultural machinery. In addition, there are printing and publishing, clothing, aircraft engines, machinery and other industries and enterprises. There are many universities, libraries, museums, etc. In addition, because it is located in a "swing state", it is a must for every U.S. presidential election.得梅因（Des Moines）是美国艾奥瓦州（依阿华州）的城市和首府。位于州西南部得梅因河和雷科恩河汇合点，是该州最大的城市和政治、经济中心。现任市长是富兰克林·康涅先生。英语Des Moines, 美国艾奥瓦州（依阿华州）人口最多的城市和首府。位于州西南部得梅因河和雷科恩河汇合点。2010年的人口普查显示市中心人口为20.3万，都市圈人口58万。建于1843年，1857年成为首府。Des Moines一词源自于法语，由当时法国殖民者命名。得梅因是铁路交通枢纽。贸易和金融中心。地处玉米带和煤田地带的中心。工业以农畜产品加工（肉类、面粉、乳制品等）和农机制造为主，此外有印刷出版、服装、飞机引擎、机械等工业、企业。有多所大学、图书馆、博物馆等。此外，由于地处“摇摆州”，更是每次美国总统大选的必争之地。
A city in Iowa. It is 144 kilometers northwest of Des Moines, near the Des Moines River. Population 29000 (1980). The fortress was built in 1850 and became a city in 1869. Railway hub. There are many agricultural products around, and the gypsum deposit in the southeast of the city is 78 square kilometers. The main industries include agricultural machinery factory, chemical fertilizer factory, meat processing factory, fish incubation factory, brick factory, dairy factory, gypsum powder factory, etc.美国爱荷华州城市。在得梅因市西北144公里处，临得梅因河。人口2.9万（1980）。1850年建要塞，1869年成市。铁路枢纽。周围多农产品，市东南的石膏矿床广达78平方公里。主要工业有农机厂、化肥厂、肉类加工厂、鱼孵化厂、制砖厂、乳制品厂、石膏粉厂等。
Creston is located in Wayne Creston, Ohio.克雷斯顿位于美国俄亥俄州韦恩克雷斯顿。
Sioux City, a city in the northwest of Iowa, where the county administration of Woodbury county is located. Su city is located along the upper reaches of the Missouri River and at the junction of Iowa, Nebraska and South Dakota. It is often called siouxland together with the surrounding areas. In the past, it was the activity range of the Su tribe, the main tribe of North American Indians, so it got its name. According to the census results in 2005, Sucheng has a population of 83148, while the metropolitan area composed of surrounding towns has a population of about 143053. The main airport of Sucheng is Sioux Gateway Airport (sux / ksux), also known as Col. bud day field, which is located in the southeast suburb of the urban area. Northwest Airlines Flights regularly shuttle between Sucheng and Minneapolis every day. In 1989, a United Airlines Douglas DC-10 airliner, whose hydraulic system failed due to engine failure, failed to make a forced landing and overturned at Sucheng airport, which was known as the "Sucheng air crash", which also made this airport and Sucheng famous. Interstate 29 passes through the urban area of Sucheng along the Missouri River and is the most important external trunk line of the city.苏城（Sioux City），美国爱荷华（艾奥瓦）州西北部城市，伍德伯里郡（Woodbury County）郡治所在处。苏城位于密苏里河上游沿岸，地处艾奥瓦州、内布拉斯加州与南达科他州交界处，其与周遭地区经常合称为苏兰（Siouxland），在过去曾是北美印地安人主要部族——苏族的活动范围，因而得名。根据2005年时的普查结果苏城有83,148人的人口，而整个周遭市镇所构成的都会区，则有约143,053人的人口。苏城的主要机场是位在市区东南郊的苏城闸门机场（Sioux Gateway Airport，SUX/KSUX），该机场又名“戴上校飞行场”（Col. Bud Day Field），每天有西北航空的班机固定往返苏城与明尼亚波利（Minneapolis）之间。1989年时，一架因为引擎故障结果造成全机液压系统失效的联合航空道格拉斯DC-10型客机在苏城机场迫降失败翻覆，被称为“苏城空难”，也因此使得此机场与苏城声名大噪。29号州际公路沿着密苏里河沿岸经过苏城市区，是该市最重要的联外干线。