In the 18th century, this platform transformed into a raised structure above the main arch.

To either side of the main arch, additional pishtaqs are stacked above and below.

Its main arch was once a covered entry for carriages.

The main arch used to stand 15 meters tall.

To either side of the main arch, there were smaller vaults, just large enough for a man to stand up in.

The only divisions are between the main arch and the two foreshore areas.

The space between the main arch is 290m (303yds in total).

Rod was looking at a secondary shelf inside the main arch.

Its domes, crosses and the main arch were made of pure gold.

It has a main central arch flanked by smaller ones to the sides.