the artist's many many years of experience in dealing with this material written directional that's the secret hidden from us. but not the only one the artists also use a special kind of sand. shows me how that works one to stand back that you know you have to try but here we have our baltic sea sound like you'd find on the beach it's very fine and even if you squeeze it together not much happens. when that happens there soft sand sculpture sand. and take it. pretty sure and for them to press it together quite firmly with some coke and you have a really nice group. the sand they use here comes from a gravel quarry in a village on. ready ready the sand hasn't been worn smooth by the sea sold packs together better. than sculptures don't last forever