If you travel to Palawan Island in the Philippines YOU CAN’T MISS THE PUERTO PRINCESA UNDERGROUND RIVER! Yes, it is …
source
![](https://www.faircosttravel.com/wp-content/uploads/2022/11/1669335611_maxresdefault-1024x576.jpg)
If you travel to Palawan Island in the Philippines YOU CAN’T MISS THE PUERTO PRINCESA UNDERGROUND RIVER! Yes, it is …
source