Chefs prepare food for passengers on train K46 traveling from southeast China's Fuzhou to Beijing, capital of China, Feb. 8, 2018. China's 40-day Spring Festival travel rush, which concluded on March 12, witnessed 2.97 billion passenger trips, according to official data. The traffic is basically the same as that of last year, according to the Ministry of Transport. (Xinhua/Lin Shanchuan)