From April to late May, when the weather turns pleasantly cool after the damp spring rains, Cuc Phuong National Park is adorned with thousands of colorful butterflies gracefully fluttering in the sunlight.
Glorious Forest Butterflies in Cuc Phuong National Park









According to Pham Lanh/Zing News
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Reference: Mytour Travel Guide
TravelGuru.comApril 21, 2017