Fireflies flash their lights at Linggu Temple scenic spot in Nanjing City, the capital of East China’s Jiangsu Province, July 21, 2016. The temple is a popular site to watch the lightning insects in summer. (Photo/IC)
Fireflies flash their lights at Linggu Temple scenic spot in Nanjing City, the capital of East China’s Jiangsu Province, July 21, 2016. The temple is a popular site to watch the lightning insects in summer. (Photo/IC)