Head of Julia Domna (wife of Septimius Severus) outside the site museum; Djemila, Algeria

Visitor covering mouth in front of two incense burners, relief from Audience Hall of Darius I at Persepolis, National Museum of Iran; Tehran, Iran

Mosaic flooring inside the Roman Baths; Djemila, Algeria

Third century AD Roman mosaic, Diana the Hunter (from Utica), Bardo Museum; Tunis, Tunisia

Detail of the ceiling inside the Museum of Islamic Art; Doha, Qatar

Woman walking up steps to the Museum of Islamic Art; Doha, Qatar

Detail of the ceiling inside the Museum of Islamic Art; Doha, Qatar

Museum of Islamic Art at dusk with modern city skyline behind; Doha, Qatar

Man relaxing in front of large window in the Museum of Islamic Art; Doha, Qatar

View out of large window in the Museum of Islamic Art to the modern city skyline of Doha; Doha, Qatar

View out of large window in the Museum of Islamic Art to the modern city skyline of Doha; Doha, Qatar

Silhouette of couple walking past large window in the Museum of Islamic Art in front of the modern city skyline of Doha; Doha, Qatar

Silhouette of couple walking past large window in the Museum of Islamic Art in front of the modern city skyline of Doha; Doha, Qatar

People sitting at tables in front of large window in the Museum of Islamic Art with view of the modern city skyline of Doha; Doha, Qatar

Silhouette of people in front of large window in the Museum of Islamic Art to the modern city skyline of Doha; Doha, Qatar

People sitting at tables in front of large window in the Museum of Islamic Art with view of the modern city skyline of Doha; Doha, Qatar

Algeria, National Museum of Antiquities and Islamic Arts; Algiers