A drone photo shows a heart-shaped island in Bihu Lake in Zhangzhou City, East China’s Fujian Province, Nov. 13, 2019. The lake has become a popular tourist attraction as the local environment has improved. Photo:China News Service

A drone photo shows a heart-shaped island in Bihu Lake in Zhangzhou City, East China’s Fujian Province, Nov. 13, 2019. The lake has become a popular tourist attraction as the local environment has improved. Photo:China News Service

A drone photo shows a heart-shaped island in Bihu Lake in Zhangzhou City, East China’s Fujian Province, Nov. 13, 2019. The lake has become a popular tourist attraction as the local environment has improved. Photo:China News Service

A drone photo shows a heart-shaped island in Bihu Lake in Zhangzhou City, East China’s Fujian Province, Nov. 13, 2019. The lake has become a popular tourist attraction as the local environment has improved. Photo:China News Service