The Underground River is part of the Puerto Princesa Subterranean River National Park, a UNESCO World Heritage Site. The Underground River is one of the longest navigable underground rivers in the world, with a total length of 8.2 Kilometers. Puerto-Princesa Subterranean River National Park encompasses one of the world’s most impressive cave systems, featuring spectacular limestone karst landscapes, pristine natural beauty, and intact old-growth forests and distinctive wildlife.
Thanks a lot for another amazing card Chloe!
Unesco: Puerto-Princesa Subterranean River National Park
Swap: Dec 2
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