Photo taken on Nov. 8, 2017 shows a view of the Dajiu Lake in the Shennongjia Forestry District, a state nature reserve in central China's Hubei Province. (Xinhua/Du Huaju)

Photo taken on Nov. 8, 2017 shows a view of the Dajiu Lake in the Shennongjia Forestry District, a state nature reserve in central China's Hubei Province. (Xinhua/Du Huaju)

Photo taken on Nov. 8, 2017 shows a view of the Dajiu Lake in the Shennongjia Forestry District, a state nature reserve in central China's Hubei Province. (Xinhua/Du Huaju)

Photo taken on Nov. 8, 2017 shows a view of the Dajiu Lake in the Shennongjia Forestry District, a state nature reserve in central China's Hubei Province. (Xinhua/Du Huaju)

Photo taken on Nov. 8, 2017 shows a view of the Dajiu Lake in the Shennongjia Forestry District, a state nature reserve in central China's Hubei Province. (Xinhua/Du Huaju)

Photo taken on Nov. 8, 2017 shows a view of the Dajiu Lake in the Shennongjia Forestry District, a state nature reserve in central China's Hubei Province. (Xinhua/Du Huaju)

Photo taken on Nov. 8, 2017 shows a view of the Dajiu Lake in the Shennongjia Forestry District, a state nature reserve in central China's Hubei Province. (Xinhua/Du Huaju)

Photo taken on Nov. 8, 2017 shows a view of the Dajiu Lake in the Shennongjia Forestry District, a state nature reserve in central China's Hubei Province. (Xinhua/Du Huaju)

Photo taken on Nov. 8, 2017 shows a view of the Dajiu Lake in the Shennongjia Forestry District, a state nature reserve in central China's Hubei Province. (Xinhua/Du Huaju)