On the holy peninsula of Mount Athos, monks chant "Christos anesti — Christ is risen" during a midnight vigil. This Easter gathering ends seven weeks of solemn fasting. Monks rise to pray during the quietest hours of the night because that is when they believe the heart is most open.
Hagia Sophia most famous building in Istanbul. Built in the 6th century as an orthodox-christian church it's been used a a mosque for ages. In 558 the original dome collapsed and was substituted with the current one, which has so many windows it seems as if it is floating.