Public sand on beaches is something we've seen before, but never 3D drawings like these from Ben Harkins. 

Ben Harkins:

“We’ve seen other people doing stuff on beaches, but it’s always been geometric, flat shapes, like a pattern, so we thought we’d get into the whole 3D thing. And I kind of like the fact that it disappears at the end of the day when the tide comes in. It makes it impermanent.”