petrified and mineralized tree trunks, khorixas, damaraland, namibia

fossilised trunk petrified forest stone obsolete tourism geology geological landmark fossils wilderness outdoors wild ecology desolate botanical silicified natural landscape desert sand adventure bush silica frustum monument hot scenic rock mineralized national wood welwitschia park wildlife arid africa mirabilis nature khorixas old damaraland tree dry fossil ancient namibia