The pyramidal base is topped by a shrine containing three rooms, the final room of the three is circular.

The structure consists of a central pyramidal base flanked by two attached range structures.

Structure 17 is a pyramidal base in Plaza 2, to the west of Structures 15 and 16.

It takes the form of a small obelisk above a massive pyramidal base.

The mound itself appears in a common architectural fashion for the period with features such as a pyramidal base with a truncated top.

One has a pyramidal base, then a vertical section, where three crossarms extend out, typically staggered.

Another has a pyramidal base, which extends to four support points.

The architectural complex consists of pyramidal bases, platforms, and a ball game court made with an earth core and covered with carved stones.

The square truncated pyramidal base, still visible, comes from following French projects.

Set into the pyramidal base are bronze reliefs depicting the engineers in action.