Mesmerized by the butterflies in Cuc Phuong National Park.

Every year in April and May, millions of butterflies in Cuc Phuong National Park awaken from their slumber, fluttering and dancing in the sunlight. They gather in flocks, as if lost in a colorful fairytale world, both mysterious and poetic.

Source: https://baoquangninh.vn/me-man-truoc-dan-buom-o-cuc-phuong-3240182.html