Las Vegas via Andrey Bayda / Shutterstock.com What do casinos in the Las Vegas desert, beachside cultural sites in Malta, and palm groves around centuries-old markets in Marrakech have in common?…

Richard Abdulnour, Lauren Nicole Core, Stephane Dahan |

In Mali, residents of Timbuktu take part in the maintenance of the Djingareyber Mosque, a World Heritage Site, applying traditional repair techniques. (Tiecoura Ndaou / UN Photo) Imagine a city…

Sameh Wahba, Barbara Minguez Garcia |