For the past decade, Simon Beck has been decorating the Alps with his stunning mathematical drawings, created by running in snowshoes across freshly laid snow. Each image takes him up to 11 hours to make and covers an area about 100m x 100m, requiring him to travel up to 25 miles as he marks out the pattern. He has inspired a clothing range and has diversified into beach art. Below is a selection of his images of his creations. I spoke to him to mark the launch of his book Simon Beck: Snow Art