Hung Thoong cave Archives - Môi trường du lịch Việt Nam

Vietnam’s ‘Nightmare’ sinkhole remains largely unexplored

21/03/2025

Vietnam’s ‘Nightmare’ sinkhole, 250 meters deep, remains largely unexplored, with fewer than 10 people ever reaching the bottom.

Foreign newspaper praises Hung Thoong Cave as “A Different World’

09/03/2023

Journalist Michael Wing of The Epoch Times of the United States has dubbed Hung Thoong (Thoong Valley) in the central province of Quang Binh as