Staff members check the wall of Yindongpo Tunnel of Guizhou-Guangxi Railway with the light from torches in Duyun city, Southwest China’s Guizhou province, Aug 20, 2018. Railway maintenance workers here patrolled the 8.5-kilometer tunnel and took necessary measures to ensure the safety of railway transportation during the flood season. [Photo/Xinhua]
Staff members check the equipment for a patrol in front of the Yindongpo Tunnel of Guizhou-Guangxi Railway in Duyun city, Southwest China’s Guizhou province, Aug 20, 2018. [Photo/Xinhua]
Staff members light up torches to patrol the Yindongpo Tunnel of Guizhou-Guangxi Railway in Duyun city, Southwest China’s Guizhou province, Aug 20, 2018. [Photo/Xinhua]
Staff members check the wall of Yindongpo Tunnel of Guizhou-Guangxi Railway with the light from torches in Duyun city, Southwest China’s Guizhou province, Aug 20, 2018. [Photo/Xinhua]
Staff members enter the Yindongpo Tunnel of Guizhou-Guangxi Railway for a patrol in Duyun city, Southwest China’s Guizhou province, Aug 20, 2018. [Photo/Xinhua]
Staff members check the wall of Yindongpo Tunnel of Guizhou-Guangxi Railway with torches in Duyun city, Southwest China’s Guizhou province, Aug 20, 2018. [Photo/Xinhua]
