World’s longest underwater cave system discovered in Mexico by divers
Suzana Rahman The Gran Acuifero Maya project discovered 347km-long cave which can shed light on Mayan history. Near the beach resort of Tulum, the group found that the cave system known as Sac Actun, once measured at 263 km, connected with the 83km Dos Ojos system, the project said in a statement. Sac Actun now…