Snow sculpture is a sculpture form comparable to sand sculpture or ice sculpture in that most of it is now practiced outdoors, and often in full view of spectators, thus giving it kinship to performance art in the eyes of some. The materials and the tools differ widely, but often include hand tools such as shovels, hatchets, and saws. Snow sculptures are usually carved out of a single block of snow about 6 to 15 feet on each side and weighing about 20 - 30 tons.Here are some beautiful images of snow sculpture.