Over millions of years, the wind and rain have sculpted the Ennedi Massif in Chad's remote north-easte co er into a plateau of inselbergs, lonely spires and towering arches the colour of honeycomb.
Meanwhile, primeval people have decorated this landscape, too, painting and carving thousands of images into the rock.
Reaching this region involves a bumpy 1,000km, four-day-drive from the capital N'Djamena through the Sahara.
Because of its utter remoteness and the fact that Chad, until recently, has suffered years of fighting – including coups, ethnic bloodshed and a war against Libya – the Ennedi Massif remains largely unknown.
So few scientists have been able to reach this inaccessible landscape that it's believed 75% of the massif has yet to be studied, leading some to characterise it as 'less explored than the back of the Moon'. (BBC)
(colombotimes.lk)