Al Naslaa

The Al Naslaa rock is a landform 50 kilometres (31 mi) south of the Tayma oasis in Saudi Arabia [1]. It is a large sandstone rock split neatly down the middle into two parts, both balanced on small pedestals [1]. The overall shape of the rock is due to wind erosion and the chemical weathering made possible by the moist conditions in the protected underside of the rock [1]. It is split in two by a joint [1]. The rock is about 6 metres (20 ft) high and 9 metres (30 ft) wide, and is covered on its south-east face with numerous petroglyphs, including depictions of horses and ibex [1].