Zhang Liyun feeds black-headed gulls at the Wangguan wetland park by the Dianchi Lake in Kunming, southwest China's Yunnan Province, Dec. 11, 2024.(Photo by Peng Yikai/Xinhua)
Black-headed gulls are pictured at the Wangguan wetland park by the Dianchi Lake in Kunming, southwest China's Yunnan Province, Dec. 9, 2024.(Xinhua/Gao Yongwei)
An aerial drone photo taken on Dec. 11, 2024 shows Zhang Liyun (L) and a fellow volunteer feeding black-headed gulls at the Wangguan wetland park by the Dianchi Lake in Kunming, southwest China's Yunnan Province.(Photo by Peng Yikai/Xinhua)
Zhang Liyun prepares to feed black-headed gulls at the Wangguan wetland park by the Dianchi Lake in Kunming, southwest China's Yunnan Province, Dec. 11, 2024.(Photo by Peng Yikai/Xinhua)