Former mining areas in NW China see better water quality

STORY: Former mining areas in NW China see better water quality DATELINE: June 6, 2022 LENGTH: 00:01:11 LOCATION: XI'AN, China CATEGORY: ENVIRONMENT SHOTLIST: various of the mining areaSOUNDBITE 1 (Chinese): WANG YONGGUI, Local officialSOUNDBITE 2 (Chinese): CHEN CHAO, Water treatment technicianvarious of water treatment facilities STORYLINE: The water quality in Qinling-Bashan mountainous region in northwest China's Shaanxi Province has improved a lot through the years, thanks to the intensified efforts of local government to purify water flowing from abandoned coal mines. In the past, rain water flowing through the mines took away metallic elements that were oxidized by the air to form sulphur, which posed a threat to water quality in local rivers. SOUNDBITE 1 (Chinese): WANG YONGGUI, Local official "It is what we call rust, which is in a stable state. Usually, it slowly settles down on the river bed and stops moving. But if there is heavy rain, it will be taken to the Han River along with the flood