The ancient city, Istanbul which is located in the boundary in Asia and Europe name and reality together. Going up the slope road of stone pavement from the terminal of Orient Express, where the tram runs, the splendid and magnificent Agio Sophias' appearance comes into view. The four steeples prick the blue sky. The beautiful front garden is a park with playing fountain, that is a heaven of rest for tourists visiting there. When this city once was called Constantinople in times of the Byzantine imperial capital, the cathedral prosperous as the Bishop of the Eastern Church.