From Bored Panda’s eye-watering roundup of the world’s most spectacular caves.
Above: Son Doong Cave, Vietnam (the largest known cave in the world); Vatnajokull Glacier Cave, Iceland; Batu Caves, Malaysia; Antelope Canyon, Arizona, USA; Phraya Nakhon Cave, Thailand and Reed Flute Cave, Guangxi, China.
(Photo credits:National Geographic; orvarati; Danny Xeero; wikipedia; Georgi Iashvili; Pasquale Di Pilato)
MORE: 15 Of The Most Majestic Caves In The World (Bored Panda)
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