Mangrove roots at low tide.  The mangrove forest is one of eight distinct forest formations that are part of the above-ground portion of the national park.
<p>The Puerto-Princesa Subterranean River National Park was declared a UNESCO World Heritage Site in 1999.
</p><p>On Google Earth:
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mangrove forest  10°11'47.90"N, 118°54'17.82"E 20180126 Philippines 3999 Sabang sRGB
Dan Lundberg
CC BY-SA 2.0
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