Aerial pictures taken on January 10 show lucid waters of the Fuxian Lake in central Yunnan’s Yuxi City.

Thanks to effective conservation effrots by locals, the lake maintained the first-class water quality in 2019, and the tested values of phosphorus and nitrogen have gone down in comparison to those in 2018, according to data from the Fuxian Lake Administration.

Reporting by Jiang Wenyao (Xinhua); trans-editing by Wang Shixue