Hagia Sophia, now known as the Ayasophya Museum, is a former Greek Orthodox patriarchal basilica (church) and later an imperial mosque in Instanbul, Turkey. It is considered one of the greatest and most beautiful buildings in history.
We'll cross The Bosphorus Bridge, from Asia to Europe, at the start of the Istanbul Marathon. The bridge is m ft) long with a deck width of 39 m ft). The distance between the towers (main span) is m ft) and their height over road level is 105 m ft).