Arabic artists push the boundaries of graffiti with their calligraphic styles and political messages. A new book published in Germany looks at what makes Arabic street art unique – and just how powerful it can be. Cinnamon Nippard reportsMore
The Hagia Sophia in Istanbul has become a bone of contention. Since it was secularised in 1935, it has been a museum. Now Turkish nationalists want to turn it back into a mosque - while the Patriarch of Constantinople wants to use it as a church again. A photo essay by Klaus Dahmann.