sicily: cyclopean isles in acitrezza at sunset.

aci acitrezza area beach blu blue cliff cliffs cyclops cyclopses dip dive etna europe faraglioni formation geologic geology historical history island lava magma millennial mineral minerals nature oasis peak plunge precipice protected reef rock sea secular shore sicily sky stalactite stalactites stalagmite stalagmites stone stones sunlight trezza vegetation water waves