"la fortaleza" in santa lucía de tirajana, on the island of gran canaria, spain. aboriginal

gran canaria canary islands nature tirajana fortaleza ravine landscape aboriginal cave mountain palm tree indigenous volcanic trekking cavern rock stronghold geology carved guanches heritage archeology ancient hiking countryside santa lucashy destination stone historic historical history settlement spain complex tourism adventure travel exploration sacred island view city rural landmark agriculture scenery scenic mount archaeological lucã­a where people lived caves spain