A bullet train bounding for Guiyang is seen at the Guangzhou South Railway Station in Guangzhou, capital of south China's Guangdong Province, Dec. 26, 2014. The 857-kilometer high-speed railway linking Guiyang, capital of landlocked mountainous province of Guizhou in southwest China, with south China's economic powerhouse Guangzhou, started operating on Friday. (Xinhua/Liu Dawei)