• San Francisco
  • Gaoyou

San Francisco (/ˌsæn frənˈsɪskoʊ/; Spanish for "Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California in the United States. The city proper is the fourth most populous in California and 17th most populous in the United States, with 815,201 residents as of 2021. It covers a land area of 46.9 square miles (121 square kilometers), at the end of the San Francisco Peninsula, making it the second most densely populated large U.S. city after New York City, and the fifth most densely populated U.S. county, behind only four of the five New York City boroughs. Among the 91 U.S. cities proper with over 250,000 residents, San Francisco was ranked first by per capita income (at $160,749) and sixth by aggregate income as of 2021. Colloquial nicknames for San Francisco include SF, San Fran, The City, Frisco, and Baghdad by the Bay.

San Francisco and the surrounding San Francisco Bay Area are a global center of economic activity and the arts and sciences, spurred by leading universities, high-tech, healthcare, FIRE, and professional services sectors. As of 2020, the metropolitan area, with 6.7 million residents, ranked 5th by GDP ($874 billion) and 2nd by GDP per capita ($131,082) across the OECD countries, ahead of global cities like Paris, London, and Singapore. San Francisco anchors the 13th most populous metropolitan statistical area in the United States with 4.6 million residents, and the fourth-largest by aggregate income and economic output, with a GDP of $669 billion in 2021. The wider San Jose–San Francisco–Oakland, CA Combined Statistical Area is the fifth most populous, with 9.5 million residents, and the third-largest by economic output, with a GDP of $1.25 trillion in 2021. In the same year, San Francisco proper had a GDP of $236.4 billion, and a GDP per capita of $289,990. San Francisco was ranked seventh in the world and third in the United States on the Global Financial Centres Index as of March 2022.

Gaoyou is a world heritage city, a national historical and cultural city, and a national global tourism demonstration area. It is located in the land geographic geometry center of Jiangsu Province, the Yangtze River Delta, and the double radiation area of Shanghai and Nanjing metropolitan area. It is the hometown of Chinese folk songs, Qixi Festival culture, Chinese poetry, national philatelic collection and Chinese architecture. Gaoyou has a history of more than 7000 years of civilization and a history of 2242 years. Shi called Jiang Zuo famous District and Guangling Shouyi, the hometown of Emperor Yao and the birthplace of Yao culture. It is an important area of Jianghuai civilization and postal culture. As early as 7000 years ago, our ancestors cultivated slash-and-burn crops and thrived here. Jin Zheng, the king of Qin, built a high platform and a postal kiosk here in 223 BC, hence the name Gaoyou, also known as Qinyou, a postal city in Huaxia, which is the only one of more than 2,000 counties and cities in China.
Airport In Gaoyou - Yangzhou Taizhou International Airport
Yangzhou Taizhou International Airport (Yangzhou Taizhou International Airport, IATA: YTY, ICAO: ZSYA), located in Yangzhou City, Jiangsu Province, China, about 30 kilometers away from the downtown area of ​​Yangzhou City, is a 4E-level civil transport airport, jointly owned by Yangzhou and Taizhou Invest in a joint civil airport.  
Yangzhou Taizhou International Airport was officially completed and opened to traffic on May 8, 2012, named Yangzhou Taizhou Airport   ;Renamed Yangzhou Taizhou International Airport on March 27, 2016   ; In August 2018, the main project of the first phase of the expansion project was completed   .
According to information on the airport's official website in March 2019, Yangzhou Taizhou International Airport has a terminal building, T1 (China's domestic and international Hong Kong, Macao and Taiwan), with a total area of ​​31,300 square meters; there is a runway with a length of 3,200 meters; bit 13   . A total of 45 domestic and international routes have been opened (accumulated)   , 39 navigable cities.  
In 2020, due to the decline due to the impact of the global epidemic, the passenger throughput of Yangzhou Taizhou International Airport was 2.3716 million passengers, a year-on-year decrease of 20.4%; the cargo and mail throughput was 12,600 tons, a year-on-year increase of 1.1%; 1.8%; ranking 51st, 53rd and 59th in China respectively. (Ranked 57th, 51st and 65th in China respectively in 2019)  
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