Despite endless dunes at their doorstep, the UAE and Saudi Arabia spend millions each year importing special sand.

Saudi Arabia boasts several UNESCO World Heritage sites that showcase its ancient civilizations and landscapes.

The future king is a long-term campaigner on wildlife conservation and spent time at Sharaan Nature Reserve.

Wearing a helmet and strapped securely into his four-wheel-drive, Abdelilah al-Rabea tore off across the Saudi desert, kicking up clouds of sand as a crowd of hundreds cheered him on. Every year ...