Puerto Princesa Subterranean River, Palawan, Philippines

Jeita Grotto, Nahr al-Kalb Valley, Lebanon

Jeita Grotto ,  Nahr al-Kalb Valley, Lebanon

Paria Canyon, Arizona, United States

Spaceship in the Space

Spaceship in the Space while spaceman of America landing on the MOON and Flags flutter first time. 

Technology to run these rivers

Fifty years ago we didn’t have the technology to run these rivers. Fifty years from now many could be dammed. Now is the time to expl...