Citizens walk along the walkway on Dafu Mountain in Fuzhou, capital of southeast China's Fujian Province, May 12, 2019. Rich in natural and ecological resources, Fuzhou has adopted a series of measures to benefit people with ecological advancement. Footpaths were built among forest, offering people a good place to spend their leisure time. (Xinhua/Wei Peiquan)

Citizens walk along the walkway on Dafu Mountain in Fuzhou, capital of southeast China's Fujian Province, May 12, 2019. Rich in natural and ecological resources, Fuzhou has adopted a series of measures to benefit people with ecological advancement. Footpaths were built among forest, offering people a good place to spend their leisure time. (Xinhua/Wei Peiquan)

Aerial photo taken on May 12, 2019 shows the walkway on Dafu Mountain in Fuzhou, capital of southeast China's Fujian Province. Rich in natural and ecological resources, Fuzhou has adopted a series of measures to benefit people with ecological advancement. Footpaths were built among forest, offering people a good place to spend their leisure time. (Xinhua/Wei Peiquan)

Citizens walk along the walkway on Dafu Mountain in Fuzhou, capital of southeast China's Fujian Province, May 12, 2019. Rich in natural and ecological resources, Fuzhou has adopted a series of measures to benefit people with ecological advancement. Footpaths were built among forest, offering people a good place to spend their leisure time. (Xinhua/Wei Peiquan)

Citizens walk along the walkway on Dafu Mountain in Fuzhou, capital of southeast China's Fujian Province, May 12, 2019. Rich in natural and ecological resources, Fuzhou has adopted a series of measures to benefit people with ecological advancement. Footpaths were built among forest, offering people a good place to spend their leisure time. (Xinhua/Wei Peiquan)