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Boston (US: /ˈbɔːstən/), officially the City of Boston, is the state capital and most populous city of the Commonwealth of Massachusetts, as well as the cultural and financial center of the New England region of the United States. It is the 24th-most populous city in the country. The city boundaries encompass an area of about 48.4 sq mi (125 km2) and a population of 675,647 as of 2020. It is the seat of Suffolk County (although the county government was disbanded on July 1, 1999). The city is the economic and cultural anchor of a substantially larger metropolitan area known as Greater Boston, a metropolitan statistical area (MSA) home to a census-estimated 4.8 million people in 2016 and ranking as the tenth-largest MSA in the country. A broader combined statistical area (CSA), generally corresponding to the commuting area and including Providence, Rhode Island, is home to approximately 8.2 million people, making it the sixth most populous in the United States.

Boston is one of the oldest municipalities in America, founded on the Shawmut Peninsula in 1630 by Puritan settlers from the English town of the same name. It was the scene of several key events of the American Revolution and the nation's founding, such as the Boston Massacre, the Boston Tea Party, the Battle of Bunker Hill, and the siege of Boston. Upon American independence from Great Britain, the city continued to be an important port and manufacturing hub as well as a center for education and culture. The city has expanded beyond the original peninsula through land reclamation and municipal annexation. Its rich history attracts many tourists, with Faneuil Hall alone drawing more than 20 million visitors per year. Boston's many firsts include the United States' first public park (Boston Common, 1634), first public or state school (Boston Latin School, 1635) first subway system (Tremont Street subway, 1897), and first large public library (Boston Public Library, 1848).

Today, Boston is a center of scientific research; the area's many colleges and universities, notably Harvard and MIT, make it a world leader in higher education, including law, medicine, engineering and business, and the city is considered to be a global pioneer in innovation and entrepreneurship, with nearly 5,000 startups. Boston's economic base also includes finance, professional and business services, biotechnology, information technology, and government activities. Boston is a hub for LGBT culture and LGBT activism in the United States. Households in the city claim the highest average rate of philanthropy in the United States. Boston businesses and institutions rank among the top in the country for environmental sustainability and new investment.

The Daxing'anling region, located in the northwest of Heilongjiang Province, the northeast of Inner Mongolia Autonomous region and the northeast slope of the Daxinganling Mountains, is the northernmost prefecture-level administrative region in China; it belongs to the cold temperate continental monsoon climate It has jurisdiction over 4 municipal districts, 1 county-level city and 2 counties, with a jurisdiction area of 83000 square kilometers (Gagdachi District and Songling District under its jurisdiction belong to the Inner Mongolia Autonomous region, covering an area of 18200 square kilometers, accounting for 21.9% of the total area). The registered population is 439300. The Daxing'anling area is one of the national key state-owned forest areas and one of the main distribution areas of natural forests. it is also the only bright coniferous forest region in the cold temperate zone and the only remaining biological gene pool in the cold temperate zone in China. A large number of large and medium-sized gold deposits such as Mohe sand Baosyan gold deposit and Xinlin Tayuan lead-zinc deposit have been discovered in Delbugan and Daxinganling metallogenic belts.
Airport In Da Hinggan Ling Prefecture - Daxinganling Oroqen Airport
Da Hinggan Ling Oroqen Airport (English: Da Hinggan Ling Oroqen Airport, IATA: JGD, ICAO: ZYJD), formerly known as "Chigasian Airport (Chigasian Airport)", is located in Guangming Street, Jiagedaqi District, Daxinganling District, Heilongjiang Province, China [twenty four]  , 8 kilometers away from the urban area of ​​Jiagedaqi District in the north, is a 4C-level civil feeder airport   .
The predecessor of Oroqen Airport in Greater Khingan Mountains was a general-purpose airport, and it was the Jiagedaqi Aviation Forest Ranger Station; on September 6, 2009, the Jiagedaqi Aviation Forest Ranger Station began the reconstruction and expansion project; on June 18, 2012, the Jiagedaqi Gaxian The airport officially opened civil aviation business   ; On February 25, 2021, Jiageda Qigaxian Airport was officially renamed Daxinganling Oroqen Airport   .
According to the official website of the Heilongjiang Provincial Airport Management Group in 2021, the Daxinganling Oroqen Airport has a terminal building with a construction area of ​​4,870 square meters; there are 3 C-class seats on the civil aviation platform; there are 2 runways, of which the civil aviation runway is 2,300 meters long. 45 meters wide; the navigable runway is 500 meters long and 30 meters wide   .
In 2019, Jiageda Qigaxian Airport (now Daxinganling Oroqen Airport) completed a total of 182,783 passenger throughputs, a year-on-year increase of 17.1%, ranking 193rd in the country; cargo and mail throughput was 97.4 tons, a year-on-year increase of 32.4%, ranking first in the country. No. 190; 3,558 aircraft movements, an increase of 8.4% year-on-year, ranking No. 184 in the country   .
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