tirajana ravine rocky landscape with palm trees in the background, in the surroundings of "la fortaleza" on the

gran canaria ravine canary islands palm tree nature tirajana landscape trekking valley grove mountain canyon fortaleza mount scenery scenic hiking santa lucashy aboriginal volcanic rock stronghold geology carved exploration island guanches heritage archeology ancient countryside destination stone historic historical history settlement spain tourism adventure travel sacred view city rural landmark agriculture barranco rocky trees background surroundings concept