dry lake bed

africa african arid background bare barren bed bleak change clay climate concept conceptual crack cracked cracks crevice crevices dead desert deserts desolate dirt dried drought drouth dry earth environment environmental famine fissure fissured fissures global ground lake lakebed land landscape mud namib namibia namibian national naukluft ochre orange park red river riverbed shortage soil sossusvlei stark surface vertical warming wasteland