
This aerial photo shows Zhou Yuqing (1st R) and other environmental protection volunteers patrolling the Huaxi national city wetland park in Guiyang, capital of southwest China's Guizhou Province on Nov. 4, 2022. Photo: Xinhua

Environmental protection volunteer Zhou Yuqing organizes a volunteer activity -- patrolling the Huaxi national city wetland park -- via a WeChat group chat in Guiyang, capital of southwest China's Guizhou Province on Nov. 4, 2022. Photo: Xinhua

This aerial photo shows Zhou Yuqing (1st R) and other environmental protection volunteers patrolling the Huaxi national city wetland park in Guiyang, capital of southwest China's Guizhou Province on Nov. 4, 2022. Photo: Xinhua

Zhou Yuqing (1st L) and other environmental protection volunteers patrol the Huaxi national city wetland park in Guiyang, capital of southwest China's Guizhou Province on Nov. 4, 2022. Photo: Xinhua

Zhou Yuqing (front) and other environmental protection volunteers patrol the Huaxi national city wetland park in Guiyang, capital of southwest China's Guizhou Province on Nov. 4, 2022. Photo: Xinhua

Environmental protection volunteer Zhou Yuqing takes photos of the Huaxi national city wetland park in Guiyang, capital of southwest China's Guizhou Province on Nov. 4, 2022. Photo: Xinhua

Zhou Yuqing (front) and other environmental protection volunteers patrol the Huaxi national city wetland park in Guiyang, capital of southwest China's Guizhou Province on Nov. 4, 2022. Photo: Xinhua

Zhou Yuqing prepares for a volunteer activity in the Huaxi national city wetland park in Guiyang, capital of southwest China's Guizhou Province on Nov. 4, 2022. Photo: Xinhua

This aerial photo shows Zhou Yuqing (1st R) and other environmental protection volunteers patrolling the Huaxi national city wetland park in Guiyang, capital of southwest China's Guizhou Province on Nov. 4, 2022. Photo: Xinhua

This aerial photo shows Zhou Yuqing (1st R) and other environmental protection volunteers patrolling the Huaxi national city wetland park in Guiyang, capital of southwest China's Guizhou Province on Nov. 4, 2022. Photo: Xinhua