Tourists enjoy view of Pingshan canyon in Hefeng, C China's Hubei

A tourist enjoys the view of Pingshan canyon, a tourist attraction famous for its limpid water, in Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province, Dec. 4, 2023. (Xinhua/Yang Wenbin)

Tourists enjoy the view of Pingshan canyon, a tourist attraction famous for its limpid water, in Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province, Dec. 4, 2023. (Xinhua/Yang Wenbin)

A tourist enjoys the view of Pingshan canyon, a tourist attraction famous for its limpid water, in Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province, Dec. 4, 2023. (Xinhua/Yang Wenbin)

A tourist enjoys the view of Pingshan canyon, a tourist attraction famous for its limpid water, in Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province, Dec. 4, 2023. (Xinhua/Yang Wenbin)

Tourists enjoy the view of Pingshan canyon, a tourist attraction famous for its limpid water, in Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province, Dec. 4, 2023. (Xinhua/Yang Wenbin)

Tourists enjoy the view of Pingshan canyon, a tourist attraction famous for its limpid water, in Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province, Dec. 4, 2023. (Xinhua/Yang Wenbin)

Tourists enjoy the view of Pingshan canyon, a tourist attraction famous for its limpid water, in Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province, Dec. 4, 2023. (Xinhua/Yang Wenbin)

A tourist enjoys the view of Pingshan canyon, a tourist attraction famous for its limpid water, in Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province, Dec. 4, 2023. (Xinhua/Yang Wenbin)

This photo shows a view of Pingshan canyon, a tourist attraction famous for its limpid water, in Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province, Dec. 4, 2023. (Xinhua/Yang Wenbin)

This aerial photo shows a view of Pingshan canyon, a tourist attraction famous for its limpid water, in Hefeng County, Enshi Tujia and Miao Autonomous Prefecture, central China's Hubei Province, Dec. 4, 2023. (Xinhua/Yang Wenbin)