Stromatolites

Stromatolites are layered rock formations that are mainly formed in shallow layers of salt or fresh water. They are formed ...

Divers Underwater Language with Gestures

Difficulties in water communication for divers are due to the lack of sound for the transmission of information and the ...

Sevan Flora

Lake Sevan is a miracle of nature, one of the most beautiful high mountain lakes, located between mountains, at an ...

Scuba Diving Ecotourism

The environmental problems facing the world today, including water contamination and depletion, global warming, climate change, air pollution, wastes and ...