Aerial photo taken on May 29, 2019 shows the scenery of Yellow River nearby the Qiangwan Village in Baiyin City, northwest China's Gansu Province. Villagers from Qiangwan Village are fond of Qinqiang opera, a folk Chinese opera in northwest China. Instead of performing the art on a roughly-built stage near the Jin'gou River beset by pollution in the past, Qinqiang opera enthusiasts are now able to show their talent at a pavilion along the clean river thanks to ecological governance around the river launched by local government since 2018. In recent years, Qiangwan Village has been taking advantage of its better environment to develop its rural cultural tourism. (Xinhua/Yue Yuewei)

Photo taken on May 29, 2019 shows a renovated stage for performing Qinqiang opera, a folk Chinese opera in northwest China, at Qiangwan Village of Baiyin City, northwest China's Gansu Province. Villagers from Qiangwan Village are fond of Qinqiang opera, a folk Chinese opera in northwest China. Instead of performing the art on a roughly-built stage near the Jin'gou River beset by pollution in the past, Qinqiang opera enthusiasts are now able to show their talent at a pavilion along the clean river thanks to ecological governance around the river launched by local government since 2018. In recent years, Qiangwan Village has been taking advantage of its better environment to develop its rural cultural tourism. (Xinhua/Lin Hong)

Villager Qiang Youlei, 66, takes a walk along the Jin'gou River at Qiangwan Village of Baiyin City, northwest China's Gansu Province, May 29, 2019. Villagers from Qiangwan Village are fond of Qinqiang opera, a folk Chinese opera in northwest China. Instead of performing the art on a roughly-built stage near the Jin'gou River beset by pollution in the past, Qinqiang opera enthusiasts are now able to show their talent at a pavilion along the clean river thanks to ecological governance around the river launched by local government since 2018. In recent years, Qiangwan Village has been taking advantage of its better environment to develop its rural cultural tourism. (Xinhua/Zhang Long)

Photo taken on May 29, 2019 shows a view of the Qiangwan Village in Baiyin City, northwest China's Gansu Province. Villagers from Qiangwan Village are fond of Qinqiang opera, a folk Chinese opera in northwest China. Instead of performing the art on a roughly-built stage near the Jin'gou River beset by pollution in the past, Qinqiang opera enthusiasts are now able to show their talent at a pavilion along the clean river thanks to ecological governance around the river launched by local government since 2018. In recent years, Qiangwan Village has been taking advantage of its better environment to develop its rural cultural tourism. (Xinhua/Lin Hong)

Farmers work at a garden in Qiangwan Village of Baiyin City, northwest China's Gansu Province, May 29, 2019. Villagers from Qiangwan Village are fond of Qinqiang opera, a folk Chinese opera in northwest China. Instead of performing the art on a roughly-built stage near the Jin'gou River beset by pollution in the past, Qinqiang opera enthusiasts are now able to show their talent at a pavilion along the clean river thanks to ecological governance around the river launched by local government since 2018. In recent years, Qiangwan Village has been taking advantage of its better environment to develop its rural cultural tourism. (Xinhua/Wang Fei)

Villager Qiang Youlei, 66, plays the Huqin, a traditional Chinese string instrument, along the riverside of Jin'gou River at Qiangwan Village of Baiyin City, northwest China's Gansu Province, May 29, 2019. Villagers from Qiangwan Village are fond of Qinqiang opera, a folk Chinese opera in northwest China. Instead of performing the art on a roughly-built stage near the Jin'gou River beset by pollution in the past, Qinqiang opera enthusiasts are now able to show their talent at a pavilion along the clean river thanks to ecological governance around the river launched by local government since 2018. In recent years, Qiangwan Village has been taking advantage of its better environment to develop its rural cultural tourism. (Xinhua/Wang Fei)

Villager Qiang Youlei, 66, plays the Huqin, a traditional Chinese string instrument, at Qiangwan Village of Baiyin City, northwest China's Gansu Province, May 29, 2019. Villagers from Qiangwan Village are fond of Qinqiang opera, a folk Chinese opera in northwest China. Instead of performing the art on a roughly-built stage near the Jin'gou River beset by pollution in the past, Qinqiang opera enthusiasts are now able to show their talent at a pavilion along the clean river thanks to ecological governance around the river launched by local government since 2018. In recent years, Qiangwan Village has been taking advantage of its better environment to develop its rural cultural tourism. (Xinhua/Zhang Long)

Villagers perform Qinqiang opera, a folk Chinese opera in northwest China, at a pavilion along the riverside of Jin'gou River in Qiangwan Village of Baiyin City, northwest China's Gansu Province, May 29, 2019. Villagers from Qiangwan Village are fond of Qinqiang opera, a folk Chinese opera in northwest China. Instead of performing the art on a roughly-built stage near the Jin'gou River beset by pollution in the past, Qinqiang opera enthusiasts are now able to show their talent at a pavilion along the clean river thanks to ecological governance around the river launched by local government since 2018. In recent years, Qiangwan Village has been taking advantage of its better environment to develop its rural cultural tourism. (Xinhua/Feng Kaihua)

In this combo photo, undated file photo shows Qiangwan Village before renovation (above), and aerial photo taken on May 29, 2019 shows present residential dwellings in Qiangwan Village of Baiyin City, northwest China's Gansu Province (Xinhua/Li He). Villagers from Qiangwan Village are fond of Qinqiang opera, a folk Chinese opera in northwest China. Instead of performing the art on a roughly-built stage near the Jin'gou River beset by pollution in the past, Qinqiang opera enthusiasts are now able to show their talent at a pavilion along the clean river thanks to ecological governance around the river launched by local government since 2018. In recent years, Qiangwan Village has been taking advantage of its better environment to develop its rural cultural tourism. (Xinhua)

In this combo photo, undated file photo shows Qiangwan Village before renovation (above), and photo taken on May 29, 2019 shows present residential dwellings in Qiangwan Village of Baiyin City, northwest China's Gansu Province (Xinhua/Li He). Villagers from Qiangwan Village are fond of Qinqiang opera, a folk Chinese opera in northwest China. Instead of performing the art on a roughly-built stage near the Jin'gou River beset by pollution in the past, Qinqiang opera enthusiasts are now able to show their talent at a pavilion along the clean river thanks to ecological governance around the river launched by local government since 2018. In recent years, Qiangwan Village has been taking advantage of its better environment to develop its rural cultural tourism. (Xinhua)

Aerial photo taken on May 29, 2019 shows a view of Qiangwan Village in Baiyin City, northwest China's Gansu Province. Villagers from Qiangwan Village are fond of Qinqiang opera, a folk Chinese opera in northwest China. Instead of performing the art on a roughly-built stage near the Jin'gou River beset by pollution in the past, Qinqiang opera enthusiasts are now able to show their talent at a pavilion along the clean river thanks to ecological governance around the river launched by local government since 2018. In recent years, Qiangwan Village has been taking advantage of its better environment to develop its rural cultural tourism. (Xinhua/Yue Yuewei)

Villager Qiang Youlei, 66, plays the Huqin, a traditional Chinese string instrument, at home in Qiangwan Village of Baiyin City, northwest China's Gansu Province, May 29, 2019. Villagers from Qiangwan Village are fond of Qinqiang opera, a folk Chinese opera in northwest China. Instead of performing the art on a roughly-built stage near the Jin'gou River beset by pollution in the past, Qinqiang opera enthusiasts are now able to show their talent at a pavilion along the clean river thanks to ecological governance around the river launched by local government since 2018. In recent years, Qiangwan Village has been taking advantage of its better environment to develop its rural cultural tourism. (Xinhua/Feng Kaihua)