Aerial view, from helicopter, of an ancient oasis in the desert with canyons of the Ashar Valley, AlUla, Medina Province, Saudi Arabia

oasis canyon ashvalley alula desert helicopter aerial greenery landscape saudi arabia ancient nature topography valley arid vegetation rock formations exploration natural beauty travel tourism wilderness pilgrimage heritage geology earth adventure remote breathtaking scenery tranquility sunlight outdoor culture history soil ecosystem relaxation destination site pristine vast flora fauna rugged serene hiking