Beijing is the capital of the People's Republic of China. It is the world's most populous national capital city. It is located in Northern China, and is governed as a municipality under the direct administration of the State Council with 16 urban, suburban, and rural districts. Beijing is a global city and one of the world's leading centres for culture, diplomacy, politics, finance, business and economics, education, research, language, tourism, sport, science and technology and transportation. It has seven UNESCO World Heritage Sites—the Forbidden City, Temple of Heaven, Summer Palace, Ming Tombs, Zhoukoudian, and parts of the Great Wall and the Grand Canal—all of which are popular tourist locations. Siheyuans, the city's traditional housing style, and hutongs, the narrow alleys between siheyuans, are major tourist attractions and are common in urban Beijing.
Beijing Economic-Technological Development Area (BDA) is a state-level economic and technological development zone in Beijing, China. The area is developed by Beijing ETOWN, an economic development and investment initiative of the Beijing municipal government.
There are a lot of high-tech research centers and joint ventures. The pillar industries in the zone include pharmaceuticals, information technology, mechanic and electronic products and new materials.