"Discover Ideal Sand Dune Locations Based on Your Zodiac Sign this World Sand Dune Day" Every year, World Sand Dune Day aims to increase knowledge of the value of sand dunes and the necessity of safeguarding these fragile ecosystems.This world sand dune day let us visit the dunes which m... Neha kashyap posted on 4 months ago — updated on 4 months ago 1 views