This week, Frank has chosen ‘sand’ as his Tuesday Challenge theme.
I think I can help you there. We lived in Abu Dhabi for ten years and were surrounded by the stuff.
This image, however, comes from the desert just outside the oasis town of Al Ain. It’s not that far from civilisation (witness the electricity pylons on the horizon), but the dunes seem to roll away endlessly in every direction. Note also the animal tracks.