• San Francisco
  • Lingwu City

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.

Lingwu, known as Lingzhou in ancient times. Ningxia Hui Autonomous region has jurisdiction over county-level cities, which is the core area of industrial development in Ningxia Hui Autonomous region and Yinchuan City. Lingwu is known as "south of the Yangtze River" and has a long history of civilization. as early as the late Paleolithic Age more than 30,000 years ago, human beings thrived in the magical land of Lingwu, which is one of the birthplaces of the ancient civilization of the Chinese nation. It has been more than 2200 years since Lingwu bought the county in the fourth year of Emperor Huidi of the Western Han Dynasty (191 BC). Lingwu is rich in tourism resources and many places of interest. The famous Shuidonggou is the earliest Paleolithic human cultural site found in China, and is known as "the birthplace of Chinese prehistoric archaeology". The Lingwu dinosaur fossil site 160 million years ago is a large area, concentrated distribution, well-preserved and surrounding environment in China.
Travel Notes In Lingwu City
Only when I came here did I know that Yinchuan is very fun.
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Entering the gate of Shuidonggou, a building that looks like a stone core and stone tool is displayed in front of people's eyes. It has a unique shape
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