Amazing sand sculptures 20
Sand sculpture one
Sand sculpture two
Sand sculpture three
Sand sculpture four
The author of this site is specified link to the source:
https://pixabay.com/en/sand-sculpture-sand-sculpture-art-541798/
https://pixabay.com/en/sand-sculpture-art-sand-sculpture-2429796/
http://shkvarki.org/izobreteniya/item/1296-zamki-iz-peska-kak-iskusstvo-arkhitektury