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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.

Zhongba County, which belongs to Xigaze City, Tibet Autonomous region, is located in the west of Xigaze City, 82 °- 84.76 °E and 29.15 °- 31.8 °N. It is located in the southwest border of China, the westernmost end of Xigaze City, north of the Himalayas, both sides of the Maquan River, Pulan County in Ali region in the west, Geji County and Gaize County in Ali region in the north, Cuoqin County in Ali Prefecture and Saga County in Xigaze City in the east, and Nepal in the south. Zhongba County has a total area of 43594 square kilometers and has jurisdiction over 1 town and 12 townships. In 2003, the total population of Zhongba County was 20,000. The Brahmaputra River originates from the Jiema Yangzong Glacier in Zhongba County and is being listed as a national ecological function reserve. The economy of Zhongba County is mainly animal husbandry, raising sheep, goats, yaks and horses. First batch of countries
Travel Notes In Zhongba County
Once Gang Rinpoche turned around the mountain, a lifetime of memories
"It's your own way to go. The year of turning mountains. I didn't mention it in the circle of friends when I went to the mountain last year. At that t
Renduo Township, which cannot be avoided on the Central and North Line of Ali, has a variety of surrounding landforms, and it is as beautiful as a picture if you make mistakes again and again.
Such sunny days may not be many, but it is the norm in northern Tibet. The lake is wide and the sky is high, the air is pure, the day is warm and the
Travel Asks In Zhongba County
Travel Asks In Zhongba County