A bullet train leaves from Guiyang North Railway Station in Guiyang, capital of southwest China's Guizhou Province, Feb. 1, 2018. The 2018 Spring Festival travel rush, known as the Chunyun, started on Thursday and will last till March 12. About 2.98 billion trips are expected to be made during the Chunyun. The Spring Festival, or Chinese Lunar New Year, falls on Feb. 16 this year. (Xinhua/Ou Dongqu)