Firefighters conduct a drill at Huoditang forest farm in Ningshan County, northwest China's Shaanxi Province, May 21, 2019. (Photo: Xinhua)
Firefighters conduct a drill at Huoditang forest farm in Ningshan County, northwest China's Shaanxi Province, May 21, 2019. (Photo: Xinhua)
Firefighters conduct a drill at Huoditang forest farm in Ningshan County, northwest China's Shaanxi Province, May 21, 2019. (Photo: Xinhua)
Firefighters conduct a drill at Huoditang forest farm in Ningshan County, northwest China's Shaanxi Province, May 21, 2019. (Photo: Xinhua)