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  • Wuqing District

Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., and the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Since 1854, the city has been coextensive with Philadelphia County, the most populous county in Pennsylvania and urban core of the Delaware Valley, the nation's seventh-largest and one of world's largest metropolitan regions with 6.245 million residents in 2020. The city's population at the 2020 census was 1,603,797, and over 56 million people live within 250 mi (400 km) of Philadelphia.

Philadelphia was founded in 1682 by William Penn, an English Quaker. The city served as capital of the Pennsylvania Colony during the British colonial era and went on to play a historic and vital role as the central meeting place for the nation's founding fathers whose plans and actions in Philadelphia ultimately inspired the American Revolution and the nation's independence. Philadelphia hosted the First Continental Congress in 1774 following the Boston Tea Party, preserved the Liberty Bell, and hosted the Second Continental Congress during which the founders signed the Declaration of Independence, which historian Joseph Ellis has described as "the most potent and consequential words in American history". Once the Revolutionary War commenced, both the Battle of Germantown and the Siege of Fort Mifflin were fought within Philadelphia's city limits. The U.S. Constitution was later ratified in Philadelphia at the Philadelphia Convention of 1787. Philadelphia remained the nation's largest city until 1790, when it was surpassed by New York City, and served as the nation's first capital from May 10, 1775, until December 12, 1776, and on four subsequent occasions during and following the American Revolution, including from 1790 to 1800 while the new national capital of Washington, D.C., was under construction.

With 18 four-year universities and colleges, Philadelphia is one of the nation's leading centers for higher education and academic research. As of 2021[update], the Philadelphia metropolitan area was the state's largest and nation's ninth-largest metropolitan economy with a gross metropolitan product (GMP) of US$479 billion. The city is home to five Fortune 500 corporate headquarters as of 2022. The Philadelphia skyline, which includes several globally renowned commercial skyscrapers, is expanding, primarily with new residential high-rise condominiums. Philadelphia and the Delaware Valley are a biotechnology and venture capital hub; and the Philadelphia Stock Exchange, owned by NASDAQ, is the nation's oldest stock exchange and a global leader in options trading. 30th Street Station, the city's primary rail station, is the third-busiest Amtrak hub in the nation, and the city's multimodal transport and logistics infrastructure, including Philadelphia International Airport, the PhilaPort seaport, freight rail infrastructure, roadway traffic capacity, and warehouse storage space, are all expanding.

Wuqing District is a municipal district under the jurisdiction of Tianjin, which is located in the northwest of Tianjin. It is connected with Tongzhou District of Beijing and Xianghe County of Langfang City, Hebei Province in the north, Beichen District, Xiqing District and Bazhou City of Hebei Province in the south, Baodi District and Ninghe County of Tianjin City in the east, and Anci District of Langfang City in the west. Wuqing District, located in the center of the two municipalities directly under the Central Government of Beijing and Tianjin, is known as "Beijing-Tianjin Corridor" and "Beijing-Tianjin Pearl". It is the intersection of Beijing-Tianjin-Hebei provinces and cities and an important core area and bridgehead of the national strategy of "coordinated development of Beijing-Tianjin-Hebei". Wuqing is one of the national smart city pilot projects. Wuqing District is committed to developing into an international functional area on the main axis of the comprehensive development of Beijing and Tianjin and a high-tech industrial base, a modern service base and an ecologically livable city between Beijing and Tianjin. The first batch of National Agricultural Sustainable Development Test
Airport In Wuqing District - Tianjin Binhai International Airport
Tianjin Binhai International Airport (Tianjin Binhai International Airport, IATA: TSN, ICAO: ZBTJ), located in Dongli District, Tianjin, China, 13 kilometers away from the city center, is a 4E-level civil international airport     , is China International Aviation Logistics Center   , an airport with international scheduled flights, a national first-class air port open to the outside world, and one of China's major air cargo centers.    
Tianjin Binhai International Airport, formerly known as Tianjin Zhangguizhuang Airport, was first built in November 1939; it was officially opened to navigation in 1950; the first phase of the expansion project was completed in 2007; the second phase of the expansion project was completed in August 2014.   
According to the official website of the airport in August 2017, Tianjin Binhai International Airport has two terminal buildings, namely T1 (international and regional) and T2 (domestic), with a total construction area of ​​364,000 square meters and a warehouse area of ​​74,000 square meters; It has 2 runways with lengths of 3600 meters and 3200 meters respectively; 59 seats.   By the end of 2016, the airport had opened 180 air routes and 132 navigable cities.  
In 2019, Tianjin Airport handled 23.813 million passengers, a year-on-year increase of 0.9%; cargo and mail throughput was 226,000 tons, a year-on-year decrease of 12.6%; and transported 167,000 vehicles, a year-on-year decrease of 6.4%.  
In October 2020, it was rated as an advanced group in the national transportation system to fight against the new crown pneumonia epidemic.  
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