Photo taken on May 21, 2018 shows a freight train (front) to Fangchenggang in south China's Guangxi Zhuang Autonomous Region at a logistic base in Guiyang, southwest China's Guizhou Province. A freight train for trial loaded with fertilizer left Guiyang for Fangchenggang, where the cargo will depart by ship to Australia. (Xinhua/Liu Xu)