 Complete the following phrase:  The Milion  or , Míllion;  was a monument erected in the early 4th century AD in Constantinople modern-day Istanbul, Turkey. It was the Byzantine zero-mile marker, the starting-place for the measurement of distances for all the roads leading to the cities of the Byzantine Empire. It thus served the same function as the Golden Milestone  in Romes forum. The domed building of the Milion rested on four large arches, and it was expanded and decorated with several statues and paintings. It survived the Fourth Crusade and Ottoman 