The alcoves were white, seemingly of stone or plaster; but the archways were covered with blue varnish or blue tiles, with beautiful inscriptions in white and gold.
Doorways were usually square, but corbelled archways and gateways surmounted with sculptures were not uncommon.
Its former greatness is attested by many Roman remains, the chief of which are two well-preserved stone gateways, the Porte d'Arroux and the Porte St Andre, both pierced with four archways and surmounted by arcades.
There are more than five hundred pillars in all, of very various style and workmanship, and the enclosure-250 paces in length and 200 in breadth, according to Burckhardt's measurement - is entered by nineteen archways irregularly disposed.
- containing many curiously shaped caves and archways which attract large numbers of visitors.