Wind blowing on the crest of a dune in the Rub al Khali or Empty Quarter. Straddling Oman, Saudi Arabia, the UAE and Yemen, this is the largest sand desert in the world.
Wind blowing on the crest of a dune in the Rub al Khali or Empty Quarter. Straddling Oman, Saudi Arabia, the UAE and Yemen, this is the largest sand desert in the world.