The wind-driven ripples in the sands of the Mesquite Dunes in Death Valley National Park intersect with the sharp edge of the dune. The abrupt change in texture, contrast, and color suggested a subtle natural abstract to me. Image made with Canon 5D mk2, Canon 24-105 F4 L lens at 40 mm, ISO 250, 1/320 second at F 11.0
By Timothy Van Minnick