Burial 228 was found in Structure 37, under the patio, near the top of the access stairway.
He moved toward the door, and seconds later was on his feet at the bottom of the access stairway.
A fourth level is built upon the three platforms, with its own access stairway climbing from the top platform.
Due to its small size and tight access stairway only 34 people are allowed inside the museum at any one time.
The platform's access stairway climbs the central section (Structure 5).
Structure 15 is a platform with a wide access stairway located on the east side of the patio.
Structure L7-6 has two wide access stairways, on the north and south sides.
The pyramid faces west onto the plaza and has two access stairways with 27 steps each.
It faces west towards the pyramid and has two access stairways.
It faces northwest towards the pyramid and had two access stairways.