• San Francisco
  • Taibai County

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.

Taibai County is located in the southeast of Baoji City, Shaanxi Province, located in the hinterland of the Qinling Mountains, named because Taibai Mountain, the main peak of the Qinling Mountains, is in the territory. The highest elevation in the territory is 3767 meters, the lowest is 740meters, the average elevation is more than 1000 meters, and the county seat is 1543 meters above sea level, which is the highest among the counties in Shaanxi Province. With an annual average temperature of 7.7 ℃ and an average temperature of 19 ℃ in summer, it is a veritable "natural air-conditioned city" and a popular resort for snow and summer heat. "Taibai Snow June" is one of the eight famous scenic spots in Guanzhong. On December 2, 2017, Taibai County was awarded "the most beautiful cultural and eco-tourism county in China and the best eco-leisure tourism county in China". September 25, 2018, obtained the Ministry of Commerce "2018 e-commerce into rural areas comprehensive"
Travel Notes In Taibai County