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Washington, D.C., formally the District of Columbia, also known as Washington or D.C. or locally simply as the District, is the capital city and federal district of the United States. It is located on the east bank of the Potomac River, which forms its southwestern and southern border with the U.S. state of Virginia, and it shares a land border with the U.S. state of Maryland on its other sides. The city was named for George Washington, a Founding Father and the first president of the United States, and the federal district is named after Columbia, the female personification of the nation. As the seat of the U.S. federal government and several international organizations, the city is an important world political capital. It is one of the most visited cities in the U.S., with over 20 million annual visitors as of 2016.

The U.S. Constitution provides for a federal district under the exclusive jurisdiction of Congress; the district is not a part of any U.S. state (nor is it one itself). The signing of the Residence Act on July 16, 1790, approved the creation of the capital district located along the Potomac River near the country's East Coast. The City of Washington was founded in 1791, and Congress held its first session there in 1800. In 1801, the territory, formerly part of Maryland and Virginia (including the settlements of Georgetown and Alexandria), officially became recognized as the federal district. In 1846, Congress returned the land originally ceded by Virginia, including the city of Alexandria; in 1871, it created a single municipal government for the remaining portion of the district. There have been efforts to make the city into a state since the 1880s, a movement that has gained momentum in recent years, and a statehood bill passed the House of Representatives in 2021.

Guancheng District is the central city of Zhengzhou, the capital of Henan Province, named because it is the location of the capital of Guan State in the Spring and Autumn period, and it is also the location of the historical and cultural city of Shang Capital of Zhengzhou. As of 2017, Guancheng District has a total area of 204square kilometers and 12 streets, with a resident population of 820300 and an urbanization rate of 86.55%. Guancheng District is located in the southeast of the central city of Zhengzhou, the north-south confluence of the east-west and Longhai railways of Beijing-Guangzhou Railway, between 34 °39mm north latitude and 113o 41mm east longitude, side by side with Zhongmou County, West and Erqi District in the east, Xinzheng City in the south and Jinshui District in the north. With the ancient administration of the city, talents emerge in large numbers. In previous dynasties, there were Ji Xian, the younger brother of King Wu of Zhou, the ancestor of Taoism in the Spring and Autumn period, and Li Jie, an architect in the Northern Song Dynasty.
Airport In Guancheng District - Zhengzhou Xinzheng International Airport
Zhengzhou Xinzheng International Airport (Zhengzhou Xinzheng International Airport, IATA: CGO, ICAO: ZHCC), referred to as "Xinzheng Airport", is located at the junction of Xinzheng City and Zhongmu County, Zhengzhou City, Henan Province, China. It is a 4F international civil airport and the first in China The core component of Zhengzhou Airport Economic Comprehensive Experimental Zone, a national airport   , an international air cargo hub airport, one of the eight major regional hub airports in China   , "7×24 hours" "full time" customs clearance international airports, large domestic aviation hub airports   , international scheduled flight airports, and national first-class air ports open to the outside world.     
On August 28, 1997, Zhengzhou Xinzheng International Airport was completed and opened to traffic. In May 2013, the relocation of the second phase of the project began. In January 2014, the second phase of the reconstruction and expansion project started construction. On December 22, 2015, the second phase expansion project of Zhengzhou Xinzheng International Airport was officially put into operation. On January 7, 2016, the second runway of Zhengzhou Xinzheng International Airport was opened. On March 30, 2016, the T1 terminal was closed for renovation, and all flights were moved to the T2 terminal.
As of December 2015, Zhengzhou Xinzheng International Airport has two terminals (T1 terminal is out of service), with a total area of ​​620,000 square meters; T1 and T2 terminals have 158 parking bays, including 149 passenger aircraft parking bays ; It has two runways, 3400 meters and 3600 meters respectively.   As of December 2018, Zhengzhou Xinzheng International Airport has 55 passenger airlines, 208 passenger routes, and 116 passenger cities; 21 cargo airlines, 34 cargo routes, and 40 cargo cities.   
In 2020, the passenger throughput of Zhengzhou Xinzheng International Airport was 21.4067 million passengers, a year-on-year decrease of 26.5%, ranking 11th in the country; the cargo and mail throughput was 639,400 tons, a year-on-year increase of 22.5%, ranking 6th in the country, with 178,600 transport movements , a year-on-year decrease of 17.4%.  
On August 16, 2022, the North Cargo Area of ​​Zhengzhou Xinzheng International Airport will start trial operation.  
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Travel Asks In Guancheng District