sunrise view to moul naga valley at in tassili najjer national park, algeria

abstract acacus africa ajjer akakus algeria algerie arid berdj colorful dawn desert djanet dune erg formation geology heritage hill landscape moul moulnaga mountain naga najjer national natural nature noires orange outdoor panorama panoramic park rock sahara sand sandstone scenery scenic sculpture shadow sky stone sunny sunrise tadrart tassili unesco valley