Aerial photo taken on Oct. 29, 2019 shows the scenery of the Dajiu Lake in Shennongjia, central China's Hubei Province. (Photos: Xinhua)

Photo taken on Oct. 29, 2019 shows the scenery of the Dajiu Lake in Shennongjia, central China's Hubei Province.

Aerial photo taken on Oct. 29, 2019 shows the scenery of the Dajiu Lake in Shennongjia, central China's Hubei Province.

Aerial photo taken on Oct. 29, 2019 shows the scenery of the Dajiu Lake in Shennongjia, central China's Hubei Province.

Photo taken on Oct. 28, 2019 shows the scenery of the Dajiu Lake in Shennongjia, central China's Hubei Province.

Aerial photo taken on Oct. 29, 2019 shows the scenery of the Dajiu Lake in Shennongjia, central China's Hubei Province.

Aerial photo taken on Oct. 29, 2019 shows the scenery of the Dajiu Lake in Shennongjia, central China's Hubei Province.

Aerial photo taken on Oct. 29, 2019 shows the scenery of the Dajiu Lake in Shennongjia, central China's Hubei Province.

Aerial photo taken on Oct. 29, 2019 shows the scenery of the Dajiu Lake in Shennongjia, central China's Hubei Province.

Aerial photo taken on Oct. 29, 2019 shows the scenery of the Dajiu Lake in Shennongjia, central China's Hubei Province.

Photo taken on Oct. 29, 2019 shows the scenery of the Dajiu Lake in Shennongjia, central China's Hubei Province.

Aerial photo taken on Oct. 29, 2019 shows the scenery of the Dajiu Lake in Shennongjia, central China's Hubei Province.

Aerial photo taken on Oct. 29, 2019 shows the scenery of the Dajiu Lake in Shennongjia, central China's Hubei Province.

Aerial photo taken on Oct. 29, 2019 shows the scenery of the Dajiu Lake in Shennongjia, central China's Hubei Province.