The author on this is not specified, link to the source
http://voyage-des-yeux-au-coeur.eklablog.com/sculptures-de-sable-a109162036
http://www.boomsbeat.com/articles/5/20131219/10-stunning-sand-sculptures.htm
http://funnypicsonly.com/50-most-amazing-sand-sculptures-from-around-the-world-part-2