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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.

"Bai" is a transliteration of the word "Bayi", which means rich. Baicheng County, which belongs to Aksu, Xinjiang, is located at the southern foot of the middle part of Tianshan, the intermountain basin on the northern edge of Chaletag Mountain and the upper reaches of Weigan River. Tianshan Mountain is connected with Zhaosu and Tex County in the north, Chaletag Mountain and Xinhe County in the south, Kuqa County in the east and Wensu County in the west. The total area is 15917 square kilometers. In 2017, the total population was 240810. The county people's government is stationed in Baicheng Town, which is 860 kilometers away from Urumqi's highway. Baicheng County is high in the north and low in the south, tilting from northwest to southeast, 1200 meters above sea level. In 2017, the local gross domestic product (GDP) was 6.677 billion yuan, and the proportion of the three industries was 20.5, 44.6, 34.9. GDP per capita 2
Travel Guides In Baicheng
Travel Sights In Baicheng
Travel Notes In Baicheng
Mutual fans with the powerful Han Dynasty and prosperous Tang Dynasty, there are many legends in Kucha in the Western Regions, and explore the legendary stories behind the Thousand Buddha Caves in Kizil, Xinjiang
The name of Kucha may be unfamiliar to many people, and it is even difficult to pronounce it. It is only mentioned in a few words in history class. In
Great American Xinjiang Tour No. 14 - Kizilia Observation Deck, Kizil Grottoes
Today's tour destination is the famous Kizil Grottoes, also known as Kizil Thousand Buddha Caves. This is the earliest large-scale grotto group excav