It was not long before, fireflies became a rare sight in urban parks, but recently in Jiulong Wetland Park in Lishui City, east China's Zhejiang Province, fireflies have come back.
A great amount of fireflies has lighten up the night, creating a fantasy world for the citizens. As the environment has improved in recent years, so has the increase in the population of the fireflies.
(All images via CFP)
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