Large ice-cream-looking calcite formation in the Paradise cave, Viet NamKeywords:Vietnam, Viêt Nam, ベトナム, Đồng Hới, Dong Hoi, Thiên Đường, paradise cave, underground, 地下 Back to the Paradise Cave (Thiên Đường) | April 29, 2018 35 mm, 1/30s, f/2 AF 35mm f/2 D Location | |