A technician checks a bullet train in Fuzhou, southeast China's Fujian Province, June 12, 2019. Technicians have worked carefully to secure the running of bullet trains in continuous rainy weather in south China. (Photos: Xinhua)

A technician checks a bullet train in Fuzhou, southeast China's Fujian Province, June 12, 2019. Technicians have worked carefully to secure the running of bullet trains in continuous rainy weather in south China.

A technician checks a bullet train in Fuzhou, southeast China's Fujian Province, June 12, 2019. Technicians have worked carefully to secure the running of bullet trains in continuous rainy weather in south China.

Technicians debug a bullet train in Fuzhou, southeast China's Fujian Province, June 12, 2019. Technicians have worked carefully to secure the running of bullet trains in continuous rainy weather in south China.