landscape of sand dune and sandstone nature sculpture at tamezguida in tassili najjer national park, algeria

abstract acacus adventure africa ajjer akakus algeria algerie arid barkhan colorful desert djanet dry dune erg formation geology heat heritage hill illizi landscape mountain najjer national nature noires orange outdoor panorama park rock sahara sand scenery scenic sculpture sea shadow sky stone sunny tadrart tamezguida tassili unesco