Meng Qiheng and villagers walk along the Falang canal built into a cliff in Qinglin village, Bijie city, Southwest China's Guizhou province, on April 17, 2019.

Meng Qiheng walks along the Falang canal to make sure everything is working well.

An aerial photo taken April 17, 2019 shows the Falang canal in Qinglin village, Bijie city, Southwest China's Guizhou province.

Meng Qiheng checks and cleans the canal built into the cliff in Qinglin village, Bijie city, Southwest China's Guizhou province.

Meng Qiheng sits on the Falang canal built into the cliff in Qinglin village, Bijie city, Southwest China's Guizhou province.

An aerial photo taken April 17, 2019 shows the Falang canal in Qinglin village, Bijie city, Southwest China's Guizhou province. (Photo: by Wang Chunliang / provided to chinadaily.com.cn)