Sand Dune Locations Around the World Aligned with Each Zodiac Sign for 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 1 year ago — updated on 1 year ago 25,529 views