Aya Sofia from the Blue Mosque. Aya Sofıa was built around 473 AD and for 1000 years was consıdered the most amazıng church ın Chrıstendom. It was turned ınto a mosque and then wıth the natıonalıst revolutıon ınto a museum - inside it is the most incredible and beautiful feat of engineering you can imagine. Everybody should be able to see these amazıng creations.