• Philadelphia
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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.

Yuanyang County is one of the counties under the jurisdiction of Honghe Prefecture, Yunnan Province, the county is located in the south of Yunnan Province, across 74 kilometers from east to west, 55 kilometers from north to south, covering an area of 2189.88 square kilometers. The land in Yuanyang County is all mountainous, there is no Pingchuan, the lowest elevation is 144m, the highest elevation is 2939.6 m, the relative height difference is 2795.6 m, the annual average temperature is 24.4 ℃, the highest annual rainfall is 1189.1 mm, the lowest is 665.7 mm, and the average is 899.5 mm. Yuanyang County is one of the important producing areas of tropical fruits, Yunwu Tea and gold in Yunnan. As of 2017, Yuanyang County has jurisdiction over 3 towns, 11 townships, 134 village committees and 4 community neighborhood committees. At the end of 2010, Yuanyang County had a total population of 424284, including Hani, Yi, Han,
Travel Sights In Yuanyang xian
Travel Notes In Yuanyang xian
March: Yunnan Yuanyang Terraced Fields Jianshui Ancient City and Dali Cozy Self-driving Tour
This is the first time to publish a travelogue, and I always feel that it is a pity that I left nothing but albums and photos on my previous trips. Th
I'm waiting for you in Yunnan
I know you will come, so I will wait. Waiting for you to go to Kunming, the spring city, to spend the warm winter together, and take a picture of you
December 30, 2018-January 6, 2019 Shilin Jiuxiang & Yuanyang Terraced Fields & Jianshui Ancient City 8-day tour
foreword Busy and busy, I didn’t expect that it took more than a month to write this travel note~ The starting point for this trip is to see that the
Red sun, Xiaguang, sea of ​​clouds, terraced fields... come here if you want to see~
Yuanyang Hani Terraces are located in the south of Ailao Mountain in Yuanyang County, Yunnan Province, 38 kilometers southwest of Yuanyang County and
Travel Asks In Yuanyang xian
Travel Asks In Yuanyang xian