Much of this change has been (and will be) driven by immigration. Nearly 59 million immigrants have arrived in the U.S. in the past 50 years, mostly from Latin America and Asia. Today, a near-record 14% of the countryâs population is foreign born compared with just 5% in 1965.
Beijing Capital International Airport is the main hub for Air China, the flag carrier of the People's Republic of China, which flies to around 120 destinations (excluding cargo) from Beijing. China Eastern Airlines, Hainan Airlines and China Southern Airlines also use the airport as their hub.
Due it its strategic location, Beijing is an important international trading center. Beijing city covers a total area of 16,807.8 sq. km. The terrain is roughly 38% flat and 62% mountainous. The Great Wall of China was built across the mountains north of Beijing to guard against nomadic invasions.eography of Beijing. Beijing -- the Capital of the People's Republic of China with the excellent geography. Located at the northern tip of the North China Plain, near the meeting point of the Xishan and Yanshan mountain ranges.