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A cave few will ever enter · Phong Nha, Vietnam
Photo: Hardscarf · CC BY-SA 4.0 · Wikimedia Commons
A 31-km dry cave in Phong Nha-Ke Bang, rated by British cave researchers the most beautiful and longest dry cave in Asia — a boardwalk winds beneath 100-m chambers of colossal lit stalagmites.
Son Doong-scale chambers without the multi-thousand-dollar permit — at 8 am you can have it nearly to yourself.
It's only worth the detour Mar–Aug. Turn up outside that window and you're looking at a different place; we'd rather say so than sell you the photo.
Phong Nha, Vietnam · Quang Binh Province. Coordinates from the listing we sourced it from.
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