Firefly season in Cuc Phuong national park lasts from late April to early May every year. The yellow green light from thousands of fireflies creates a magnificent sight (Photo: VNA) 
In the evening, the whole forest is immersed in thousands of sparkling fireflies, creating a shimmering beauty (Photo: VNA) 
Yellow-green streaks of light created by tens of thousands of fireflies make the forest glow (Photo: VNA) 
Yellow-green streaks of light created by tens of thousands of fireflies make the forest glow (Photo: VNA) 
In the early summer nights, the light of fireflies becomes the main tourists attraction in Cuc Phuong National Park. (Photo: VNA) 
The light of fireflies flying together creates a perfect picture (Photo: VNA) 
The light of fireflies flying together creates a perfect picture (Photo: VNA) 
Catching fireflies and putting them in glass bottles or egg shells are associated with many people’s childhood (Photo:VNA) VNA
