Maintenance workers keep passengers safe(1/5)

Maintenance workers check a high-speed train in a service center in Chengdu, Sichuan Province, July 2020. Staff members of the Chengdu railway maintenance division of Sichuan focus on their inspection and maintenance work to ensure the travel safety during the flood season. (Photo/China News Service)

Maintenance workers check a high-speed train in a service center in Chengdu, Sichuan Province, July 2020. Staff members of the Chengdu railway maintenance division of Sichuan focus on their inspection and maintenance work to ensure the travel safety during the flood season. (Photo/China News Service)

Maintenance workers check a high-speed train in a service center in Chengdu, Sichuan Province, July 2020. Staff members of the Chengdu railway maintenance division of Sichuan focus on their inspection and maintenance work to ensure the travel safety during the flood season. (Photo/China News Service)

Maintenance workers check a high-speed train in a service center in Chengdu, Sichuan Province, July 2020. Staff members of the Chengdu railway maintenance division of Sichuan focus on their inspection and maintenance work to ensure the travel safety during the flood season. (Photo/China News Service)

Maintenance workers check a high-speed train in a service center in Chengdu, Sichuan Province, July 2020. Staff members of the Chengdu railway maintenance division of Sichuan focus on their inspection and maintenance work to ensure the travel safety during the flood season. (Photo/China News Service)