I think this reconstruction is from the team behind the Byzantium 1200 project. They acknowledge that by the time of the fall of the city to the Crusaders in 1204, and certainly thereafter, the city may not have appeared quite so splendid. Nevertheless, this is a chance to view the city as it may have appeared at its apogee. You would have wanted to be there to see it!
Click the image to play and let the video load and play itself. There is no sound. If the buffering gets ‘stuck’ give the play button a kick.