Jim Denevan recently made the world's largest freehand drawing on a dry lake in Nevada. How big is it? Three mile across. Jim walked for eight days, about 100 miles to draw the pattern. The drawing was transient, as all of Jim's work is: "It was completely erased in a rainstorm the next week... It felt strange to work so hard and not see tide come in. But rains did come which is sort of the same thing."

Click on any of the images above to enlarge.