1月16日，管護人員在滇池打撈雜物（無人機照片）。近年來，云南省昆明市采取控源截污、精準防控、科學補水、生態增綠等措施，推動滇池保護治理取得積極成效。據昆明市滇池管理局介紹，2023年滇池全湖水質持續向好，自2018年上升為Ⅳ類水質后，連續六年保持全湖水質Ⅳ類。[新華社記者 胡超 攝]

An aerial drone photo taken on Jan. 16, 2024 shows staff members collecting litter in the Dianchi Lake in Kunming, southwest China's Yunnan Province. The overall water quality of Dianchi Lake has been maintained for six consecutive years since it reached Class IV in the country's five-tier evaluation system for the first time in 2018. (Xinhua/Hu Chao)