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  • Jiuzhaigou

Columbus (/kəˈlʌmbəs/) is the state capital and the most populous city in the U.S. state of Ohio. With a 2020 census population of 905,748, it is the 14th-most populous city in the U.S., the second-most populous city in the Midwest, after Chicago, and the third-most populous state capital. Columbus is the county seat of Franklin County; it also extends into Delaware and Fairfield counties. It is the core city of the Columbus metropolitan area, which encompasses 10 counties in central Ohio. The metropolitan area had a population of 2,138,926 in 2020, making it the largest entirely in Ohio[a] and 32nd-largest in the U.S.

Columbus originated as numerous Native American settlements on the banks of the Scioto River. Franklinton, now a city neighborhood, was the first European settlement, laid out in 1797. The city was founded in 1812 at the confluence of the Scioto and Olentangy rivers, and laid out to become the state capital. The city was named for Italian explorer Christopher Columbus. The city assumed the function of state capital in 1816 and county seat in 1824. Amid steady years of growth and industrialization, the city has experienced numerous floods and recessions. Beginning in the 1950s, Columbus began to experience significant growth; it became the largest city in Ohio in land and population by the early 1990s. The 1990s and 2000s saw redevelopment in numerous city neighborhoods, including Downtown.

Jiuzhaigou County, which belongs to Aba Tibetan and Qiang Autonomous Prefecture in Sichuan Province, is located on the eastern edge of the Qinghai-Tibet Plateau and northeast of Aba Prefecture. It is bordered by Wen County, Zhouqu County and Diebu County in Gansu Province to the east and north, and Ruoergai County, Pingwu County and Songpan County in Sichuan Province to the west and south. The total area is 5288 square kilometers. The topography of Jiuzhaigou County is high in the northwest and southwest and low in the southeast. It belongs to the humid climate of the plateau. Jiuzhaigou, which has won three international laurels of "World Natural Heritage", "World Biosphere Reserve" and "Green Global 21" and the first batch of national 5A scenic spots, there are also provincial Wujiao Giant Panda Nature Reserve, Baihe Golden Monkey Nature Reserve, Gongleiling Nature Reserve, Ganhaizi National Forest Park and Shenxianchi Scenic spot, Jiamu Tianchi, Heihe Scenic Belt, Yuwashi Red Leaf Scenic spot,
Airport In Jiuzhaigou - Jiuzhai Huanglong Airport
Jiuzhai Huanglong Airport (Jiuzhai Huanglong Airport, IATA: JZH, ICAO: ZUJZ), commonly known as Jiuhuang Airport, is located about 12 kilometers north of Chuanzhusi Town, Songpan County, Aba Tibetan and Qiang Autonomous Prefecture, Sichuan Province, China, and 88 kilometers north of Jiuzhaigou Scenic Area , 43 kilometers east of Huanglong, is a 4D-level tourist feeder airport and a first-class high-altitude airport (3447.65 meters)   .
On September 26, 2003, Jiuzhai Huanglong Airport was completed and opened to navigation; from August 8, 2017 to April 18, 2018, Jiuzhai Huanglong Airport was suspended due to the earthquake; on December 4, 2019, Jiuzhai Huanglong Airport's aviation port construction Project started    .
According to the official website of Air China in 2020, Jiuzhai Huanglong Airport has 2 terminals with an area of ​​20,000 square meters; T1 has 3 boarding bridges, and T2 has 4 boarding bridges; There are 12 aircraft seats on the flat, including 5 D-class seats and 7 C-class seats; the runway is 3,400 meters long and 45 meters wide; it can meet the annual passenger throughput of 2.5 million passengers, cargo and mail throughput of 2,250 tons, and Reduce the use demand of 25080 sorties   .
In 2021, Jiuzhai Huanglong Airport will handle a total of 150,029 passengers, a year-on-year increase of 22.6%, ranking 201st in the country; cargo and mail throughput will be 16.9 tons, a year-on-year decrease of 87.0%, ranking 207th in the country; aircraft takeoffs and landings will be 2,222, Year-on-year growth of 41.3%, ranking 204th in the country   .
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