This aerial photo taken on May 13, 2018 shows a scenery of the Yellow Sea National Forest Park in Dongtai, East China’s Jiangsu province.

This aerial photo taken on May 13, 2018 shows a scenery of the Yellow Sea National Forest Park in Dongtai, East China’s Jiangsu province.

This aerial photo taken on May 13, 2018 shows a scenery of the Yellow Sea National Forest Park in Dongtai, East China’s Jiangsu province.

Tourists visit the Yellow Sea National Forest Park in Dongtai, East China’s Jiangsu province, May 13, 2018.