View of St. Peter’s Basilica in the Vatican city in sunset, Rome, Italy. Saint Peter Basilica in Vatican City at Rome, Italy and Street Via de…
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Hagia Sophia is Istanbul's most famous landmark
The current renovation is the first global makeover of the centuries-old building
Hagia Sophia has been a church, mosque, museum and now a mosque again
Foreign visitors at the site generate millions of euros' worth of revenue each year
The Hagia Sophia of Istanbul is no stranger to change -- through the centuries the city's architectural jewel has gone from church to mosque t…