badlands valley clay mountains. lazio, italy.

abstract adventure arid backcloth background badlands canyon cave cavity clay clayey climate collapse collapses colors day daytime desert deserts dry dryness erosion evening expanse formations geological geology high highlight hiking hole illuminated interest italian italy land landscape landscapes lava layers lazio located mountain mountaineering mountains natural nature orange outdoor outdoors panorama panoramic pattern peace point province range relaxation rock rocks sand sandstone scenery scenic sediment serenity stratified sun sunset time tourism trees tufaceous tuff united vacation valley view viterbo yellow