Western Colonnade, Chichen Itza Archaeological Site, Chichen Itza, Yucatan Peninsula, Mexico. This is the longest colonnaded building on the site. There is some evidence in it's southeastern extreme that it originally had a vaulted roof which was preserved due to the fact that the rooms were filled with rubble for the construction of another building on top, which was never completed. The main facade faces the Plaza of the Castle and a central corridor connects it with the Plaza of the Thousand Columns. It has stone benches running along the length of the entire building and on it's western side walls in betweeen the columns give evidence of later modifications It's original use was probably to accomodate large gatherings during meetings festivities and markets.