• San Francisco
  • Zhangjiakou

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.

Zhangjiakou City, also known as "Zhangyuan" and "Wucheng", is a prefecture-level city under the jurisdiction of Hebei Province, located in the northwest of Hebei Province, at the junction of Beijing, Hebei, Shanxi and Inner Mongolia provinces and cities, and is the intersection of the Beijing-Tianjin-Hebei (around the Bohai Sea) economic circle and the Ji-Jin-Meng (Outer Great Wall) economic circle. It is the central city of northwest Hebei, the transportation hub connecting Beijing and Tianjin and Shanxi and Mongolia, and Erlianhaote, the largest port between China and Mongolia in the north. Between longitude 113 °50 "116 °30" east and latitude 39 °30 "42 °10 'north. The city is 289.2 kilometers from north to south and 216.2 kilometers from east to west, with a total area of 36800 square kilometers. Zhangjiakou City has jurisdiction over 6 districts and 10 counties. The Zhangjiakou government is stationed at 10 Great Wall West Street, Qiaodong District. In the eighth year of Jiajing (1529), Zhang Zhen opened a guard at the north city wall.
Airport In Zhangjiakou - Zhangjiakou Ningyuan Airport
Zhangjiakou Ningyuan Airport (Zhangjiakou Ningyuan Airport, IATA: ZQZ, ICAO: ZBZJ), located on Airport Road, Qiaodong District, Zhangjiakou City, Hebei Province, China, 9 kilometers away from the center of Qiaodong District, Zhangjiakou City, is a 4C-level domestic branch airport for military and civilian use   .
Zhangjiakou Ningyuan Airport was built in 1935 and was called Yulin Airport at that time; on May 9, 2010, the airport began military-civilian reconstruction project   ;On June 16, 2013, Zhangjiakou Ningyuan Airport officially opened civil aviation business   ; On August 3, 2020, the T2 terminal of Zhangjiakou Ningyuan Airport opened   .
As of February 2021, Zhangjiakou Ningyuan Airport has 2 terminals, of which the T1 terminal covers an area of ​​5,400 square meters and the T2 terminal covers an area of ​​13,900 square meters; the civil aviation station has 14 C-class seats; the runway is 3,000 square meters long. meters and a width of 45 meters; it can meet the needs of an annual passenger throughput of 1 million passengers and 10,700 aircraft takeoffs and landings      .
In 2021, Zhangjiakou Ningyuan Airport will handle a total of 464,638 passengers, a year-on-year decrease of 17.1%, ranking 132nd in the country; cargo and mail throughput will be 39.4 tons, a year-on-year decrease of 43.8%, ranking 196th in the country; A year-on-year decrease of 23.7%, ranking 167th in the country   .
Travel Notes In Zhangjiakou
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On June 5, 2021, Zhangjiakou City, Hebei Province, Datong City, Shanxi Province, two-day self-driving tour
On June 5, 2021, Zhangjiakou City, Hebei Province, Datong City, Shanxi Province, two-day self-driving tour At 6:40 am on June 5, 2021, our husband and
Zhangbei Grassland Collection ~ Autumn Harvest
On the eve of National Day, we drove on the Zhangbei Grassland. The five-color sky road in early autumn is full of blue sky and white clouds, windmill
Exploring the Footsteps of Chinese Ancestors (Part 1) - 2019 Journey to Northwest Hebei Province Part 4
[Preface] Speaking of ancient Chinese humans, I knew there was a "Zhoukoudian" in Beijing when I was in elementary school. In 1921, Swedish scholars d