I first knew of Tibet when I was a very young child; I was greatly excited by news of the conquest of Everest, and received a book as a Christmas present with stunning pictures of the Himalayas.
In 2011 the monks of Tashilumpo monks spent a week in Glastonbury creating another mandala. When it was completed, after much ceremony it was reverently swept up, the sand carried through the town to the Chalice Well where it was sprinkled into the running water.
The monks at the Chalice Well garden:
The sand is poured into the running water: