fossilized rocks in the barraco de la sal, alicante, spain.

rock geology wilderness landscape nature terrain wadi mountain formation river water valley winter badlands cliff tree sea stream snow autumn fossilized rocks barraco sal alicante spain concept ecological photo tourism astronomy autumn background channel clouds cosmos desert detrital rocks dip dolomites echinoderm fossils environment erosion exploration filtration future groundwater gypsum hill illustration lake landscape light limestones mars marte mountain mountains nature ophite outdoors permeable materials planet river rock scenery sea sky snow stream summer sunset travel tree valley view water