Volunteers clear the surface of a pond in Xucang Village, Changxing County of east China's Zhejiang Province, Sept. 21, 2020. Local authorities launched a campaign to clear up the water system in villages to secure a pleasant environment. (Xinhua/Xu Yu)

Volunteers clear the surface of a pond in Xucang Village, Changxing County of east China's Zhejiang Province, Sept. 21, 2020. Local authorities launched a campaign to clear up the water system in villages to secure a pleasant environment. (Xinhua/Xu Yu)

Aerial photo taken on Sept. 21, 2020 shows volunteers clearing the surface of a pond in Xucang Village, Changxing County of east China's Zhejiang Province. Local authorities launched a campaign to clear up the water system in villages to secure a pleasant environment. (Xinhua/Xu Yu)

Aerial photo taken on Sept. 21, 2020 shows volunteers clearing the surface of a pond in Xucang Village, Changxing County of east China's Zhejiang Province. Local authorities launched a campaign to clear up the water system in villages to secure a pleasant environment. (Xinhua/Xu Yu)