CHONGQING, June 7 (Xinhua) -- As one of the subtropical evergreen broad-leaved forest ecosystems best preserved in China, Jinyun Mountain Natural Reserve in Chongqing, southwest China, has enjoyed green development.

Local authorities have been making efforts to improve environmental protection and promote the tourism industry in the past four years.

Aerial photo taken on June 4, 2022 shows a view of Jinyun Mountain in Chongqing, southwestern China. (Xinhua/Wang Quanchao)

Aerial photo taken on June 4, 2022 shows a view of Jinyun Mountain in Chongqing, southwestern China. (Xinhua/Wang Quanchao)

Aerial photo taken on June 4, 2022 shows a view of Jinyun Mountain in Chongqing, southwestern China. (Xinhua/Wang Quanchao)

Aerial photo taken on June 4, 2022 shows a view of Jinyun Mountain in Chongqing, southwestern China. (Xinhua/Wang Quanchao)

Aerial photo taken on June 4, 2022 shows a view of Jinyun Mountain in Chongqing, southwestern China. (Xinhua/Wang Quanchao)

Aerial photo taken on June 4, 2022 shows the view of Jinyun Mountain in Chongqing, southwestern China. (Xinhua/Wang Quanchao)

Aerial photo taken on June 4, 2022 shows a view of Jinyun Mountain in Chongqing, southwestern China. (Xinhua/Wang Quanchao)

Aerial photo taken on June 4, 2022 shows a view of Jinyun Mountain in Chongqing, southwestern China. (Xinhua/Wang Quanchao)