1. It is situated on the southeast corner of the basal platform . 2. The pyramid had four stepped levels upon a basal platform . 3. The basal platform of the complex is built of dolomitic limestone blocks. 4. It stood upon a basal platform with slightly inclined walls. 5. "' Pyramid B3 "'is actually two pyramids built upon a single basal platform . 6. The structures were built at the same time as the basal platform ( Structure 38-C ). 7. "' Structure 38 "'is the basal platform ; it was built during the Early Classic. 8. "' Structure A-1 "'is a massive basal platform that measures and stands high. 9. It started life in the Early Classic as a wide basal platform decorated with large stucco masks that flanked the stairway. 10. It consists of a radial structure to the west and a long basal platform to the east that supported three buildings.
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