The problem with the sand dunes here is on a much greater scale.

BBC: Porthtowan's growing sand dunes concern locals

On Wednesday the chancellor stuck his head in the sand, afraid to confront the significance of the scale of the issue.

BBC: Plaid Cymru: Last chance, missed chance

Described as a "mega-scale free form printer" by its makers, the massive aluminum structure uses sand, which it forms back into a material that's like marble.

CNN: Architect to build home using 3-D printer