Celebrating World Sand Dune Day: Sand Dune Locations Tailored to Your Zodiac Sign 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 2 years ago — updated on 2 years ago 26,597 views