Picture of the Day – July 14, 2010
IT’S NOT A MIRAGE
Photograph by George Steinmetz
Sand Dunes, Rub al Khali: The borders of four nations—Saudi Arabia, Oman, Yemen, and the United Arab Emirates—blur beneath the shifting sands of the Rub al Khali, or Empty Quarter, desert.
via National Geographic
Every day at 5pm the Sifter will post the picture of the day