Wind is most likely the main sand sculpture in a place like White Sands National Monument in New Mexico. Nature creates abstract patterns which change as frequently as pictures in a digital frame, wiping them out to start again.
White Sands National Monument, New Mexico, USA
Technical Information:
I photographed this photo with the digital SLR camera model Canon EOS 5D Mark II, aperture of f/22.0, exposure time of 1/15 sec. on ISO 100, as always I used a original Canon Lens, the focus lenght for this picture was 70mm.