Beijing International Airport is the most important arrival hubs for international flight arrivals. As the capital of China, Beijing runs flight schedules to almost every big city in the world, most visitors can fly directly from their hometown to Beijing.
Beijing has an advanced domestic public transportation system composed of air, train and highway. Visitours can transfer to any provincial capital and other major cities in China, such as Shanghai, Guangzhou, Xi'an, Chengdu, Guilin, Lhasa etc, either by flight, bullet train or high-way.
In the past 2 decades, the bullet train network has been built. Taking bullet train to travell from Beijing to other parts of China is becoming more and more popular. You can take the fastest bullet trains from Beijing to Shanghai, or experience the world longest High Speed rail from Beijing to Guangzhou. For foreign visitors, they can take the bullet trains to the most popular tour cities like Xi'an and Guilin in a few hours.
Beijing also has a developed city public transportation system with subway, taxi and buses. You can go to many major sights by subway, city bus or taxi.