An aerial photo taken on May 20 shows the overall perspective of Mount Tai in Tai'an, East China's Shandong province. [Photo/Xinhua]

Visitors view the sunrise on Mount Tai on May 21 in Tai'an, East China's Shandong province. [Photo/Xinhua]

Visitors enjoy the beautiful scenery on Mount Tai on May 20 in Tai'an, Shandong province. Mount Tai was officially added into of the list of UNESCO cultural and natural heritage in 1987. [Photo/Xinhua]