Aerial photo taken on June 24, 2020 shows the scenery of Yinghu Lake Scenic Spot in Ankang, northwest China's Shaanxi Province. (Xinhua/Tao Ming)

Aerial photo taken on June 24, 2020 shows the scenery of Yinghu Lake Scenic Spot in Ankang, northwest China's Shaanxi Province. (Xinhua/Tao Ming)

Photo taken on June 24, 2020 shows the scenery of Yinghu Lake Scenic Spot in Ankang, northwest China's Shaanxi Province. (Xinhua/Tao Ming)

Aerial photo taken on June 24, 2020 shows the scenery of Yinghu Lake Scenic Spot in Ankang, northwest China's Shaanxi Province. (Xinhua/Tao Ming)

Aerial photo taken on June 24, 2020 shows the scenery of Yinghu Lake Scenic Spot in Ankang, northwest China's Shaanxi Province. (Xinhua/Tao Ming)

Aerial photo taken on June 24, 2020 shows the scenery of Yinghu Lake Scenic Spot in Ankang, northwest China's Shaanxi Province. (Xinhua/Tao Ming)

Aerial photo taken on June 24, 2020 shows the scenery of Yinghu Lake Scenic Spot in Ankang, northwest China's Shaanxi Province. (Xinhua/Tao Ming)