View of Hagia Sophia (Hagia Sophia Grand Mosque), completed in 537 AD, with the Great Palace of Constantinople ruins in the foreground, UNESCO World Heritage Site, Istanbul, Turkey, Europe

View of Hagia Sophia (Hagia Sophia Grand Mosque), completed in 537 AD, with the Great Palace of Constantinople ruins in the foreground, UNESCO World Heritage Site, Istanbul, Turkey, Europe

Cargo ship with containers at Marmara Sea, Istanbul, Turkey

Marmora sea late afternoon with ships sailing near Uskudar and Besektas, Istanbul, Turkey