As Soon as the biggest cathedral in the world, the Hagia Sophia is considered the magnum opus of Byzantine architecture. People say It's a must-see when in Istanbul and advise using a guided tour To find out more about the record of the internet site. 始めるにあたって助けが必要な場合は、こちらの資料を参考にしてください。 Commissioned because of the waiting for link from Web 2.0 Blogs (233)