Two children walk on the Tottori sand dunes, July 21, in Tottori, Japan. The dunes are over 30 km² but are decreasing in size as a result of the reforestation program following World War II.
A sand rail kicks up sand at Oldsmobile Hill at the Imperial Sand Dunes Recreation Area during the start of the Thanksgiving weekend in Glamis, Calif., Nov. 24. The holiday weekend brings tens of thousands of people out to ride the sand dunes with their buggies, sand rails and bikes. Photo received Nov. 27.
Gene Blevins / Reuters
Thousands of offroaders light up the night at Oldsmobile Hill at the Imperial Sand Dunes Recreation Area during Thanksgiving weekend in Glamis, Calif., Nov. 25.
Gene Blevins / Reuters
People on their quad runners race up Oldsmobile Hill at the Imperial Sand Dunes Recreation Area during the start of the Thanksgiving weekend in Glamis, Calif., Nov. 24.
Gene Blevins / Zuma Press
Thousands of off-roaders with their lights on ride at Oldsmobile Hill as the annual event comes to a end, Nov. 25.