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The Melissani Cave, tourist spots in Greece Melissani cave Melissani Cephalonia

These incredible snaps giving a glimpse inside the world's largest cave, Vietnam's Han Son Doong, will take your breath away

The spectacular Han Son Doong cave in Vietnam is so large it could fit a skyscraper within its walls.

Son Doong Cave (Dong Hoi, Vietnam): Address, Attraction Reviews - TripAdvisor

Son Doong is found near the Laos-Vietnam border, in the Phong Nha-Kẻ Bàng National Park.