Crop circle in the desert by Robert Simmon, Jesse Allen

acquired January 17, 2012

acquired January 17, 2012


Author:

Robert Simmon, Jesse Allen

Year:

1987, 1991, 2000, 2012

Location:

Wadi As-Sirhan Basin, Saudi Arabia

Photographs:

all images © Robert Simmon, Jesse Allen

Source: 

earthobservatory

 

Unnatural: 

The series of false-color images above show the evolution of agricultural operations in the Wadi As-Sirhan Basin, as viewed by satellites in 1987, 1991, 2000, and 2012.