Bullet train G801 leaves the Beijing West Railway Station in Beijing, capital of China, for Guangzhou, capital of south China's Guangdong Province, Dec. 26, 2012. The world's longest high-speed rail route linking Beijing and Guangzhou started operation on Wednesday. Running at an average speed of 300 kilometers per hour, the 2,298-kilometer new route will cut the travel time between Beijing and Guangzhou from more than 20 hours to around eight. [Xinhua photo]