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  • Naqu、Nagqu

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.

Naqu is a prefecture-level city under the jurisdiction of the Tibet Autonomous region. Located in northern Tibet, between the Tanggula Mountains, the Nianqing Tanggula Mountains and the Gangdise Mountains, it is about 1156 kilometers from east to west, 760km from north to south, Changdu to the east, Ali to the west, Lhasa and Linzhi to the south, and Xinjiang Uygur Autonomous region and Qinghai Province to the north. The total area is 369674 square kilometers. Located in the southern slope of Tanggula Mountain and the northern foot of Nianqing Tanggula Mountain, located at the eastern end of the Qiangtang Plateau, the mountains are continuously distributed, divided by many lake basins and dotted with lakes. The average elevation is more than 4500 meters. Cold and anoxic, dry climate, annual gale day of about 100 days, annual average temperature of-2.1℃, the coldest can reach minus 30,40 degrees, annual sunshine hours of more than 2886 hours. The fifth day of the year
Travel Guides In Naqu、Nagqu
Travel Notes In Naqu、Nagqu
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