Aerial photo taken on Dec 10, 2019 shows a bridge over the Nianjia Lake at Hunan Martyrs Park in Changsha, capital of Central China's Hunan province. [Photo/Xinhua]
Tourists walk on a path on the Nianjia Lake at Hunan Martyrs Park in Changsha, capital of Central China's Hunan province, Dec 10, 2019. [Photo/Xinhua]
Aerial photo taken on Dec 10, 2019 shows two boats sailing on the Nianjia Lake at Hunan Martyrs Park in Changsha, capital of Central China's Hunan province. [Photo/Xinhua]
Aerial photo taken on Dec 10, 2019 shows a walking path on the Nianjia Lake at Hunan Martyrs Park in Changsha, capital of Central China's Hunan province. [Photo/Xinhua]
Aerial photo taken on Dec 10, 2019 shows the scenery of Nianjia Lake at Hunan Martyrs Park in Changsha, capital of Central China's Hunan province. [Photo/Xinhua]
