特普伊山脉
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图集：探寻世界上最古老、最神秘的洞穴
Cave explorer Francesco Sauro shares astonishing images from a trip into what might just be the oldest caves in the world … carved into the quartzite Tepui mountains of Venezuela.
Cave explorer Francesco Sauro shares astonishing images from a trip into what might just be the oldest caves in the world … carved into the quartzite Tepui mountains of Venezuela.
