Beijing

Beijing is a global city and one of the world's leading centers for culture, diplomacy, politics, finance, business and economics, education, research, language, tourism, media, sports, science and technology, transportation, and art. It is home to the headquarters of most of China's largest state-owned companies and houses the largest number of Fortune Global 500 companies in the world, as well as the world's four biggest financial institutions by total assets. It is also a major hub for the national highway, expressway, railway, and high-speed rail networks. For a decade before the COVID-19 pandemic, Beijing Capital International Airport was Asia's busiest airport and the second-busiest airport in the world. In 2020, the Beijing subway was the fourth-busiest and second-longest in the world.