The beach is 22 km long with little pollution of lights. The environment is beautiful without pollution and the waters surrounding the harbour is broad. (The Blue Fireflies on Tannan Bay / Photo: Weng Wucai ©Ptnet.cn)

It has a circuitous coastline which is the best place to observe the Blue Fireflies. The Fireflies at the Tannan Bay usually occurs from May to July every year. (The Blue Fireflies / Photo: Weather.com.cn)

The beach is 500 meters wide with a 9.5-kilometre long distance. The gradient of the beach is merely 2.2 degrees. Longwangtou Beach, one of the largest bathing beaches surrounded by numerous reefs in China, has glittering sand of high quality. (The Blue Fireflies by Longwangtou Beach / Photo: Weng Wucai ©Ptnet.cn)

Bushy forests stand still behind the beach, on which horses and even vehicles could run. Also, you can explore the world under the sea to enjoy yourselves and come across a romantic dating with the Blue Fireflies. (The Blue Fireflies in Pingtan / Photo: Weng Wucai ©Ptnet.cn)

Dongjia Island, also known as the Maldives in Fujian, is usually called Treasure Island. The starry sky on the island is so pretty clean that you could even observe the stars with your eyes only. Moreover, you¡¯re able to come across the Blue Fireflies if lucky. (The Blue Fireflies in Pingtan / Photo: Weng Wucai ©Ptnet.cn)