Just a big block of five hundred and twelve octagonal chambers, and I don't know how many square spaces between them.

Brilliant sunlight poured through tall windows that filled all eight sides of the octagonal chamber.

Then the wall opposite their entrance slid aside, revealing a larger room, of gray stone like the octagonal chamber they had first arrived in.

The interior features a pair of octagonal chambers.

The building consists of a very large octagonal chamber surrounded by a wide verandah on al the four sides.

The building consists of a very large octagonal chamber surrounded by a 3.10 mts wide verandah.

The pieces are displayed in a specially constructed octagonal chamber.

He headed for the door, then glanced back at Beverly and the octagonal chamber.

Towers and walls are still standing, along with two octagonal chambers on opposite corners.

The walls of the octagonal chambers have graceful decorations.