The city was built upon broken terrain, which was artificially levelled in order to build the major architectural groups, with the greatest effort being expended in the levelling of the areas for the Castillo pyramid, and the Las Monjas, Osario and Main Southwest groups.
Aɣrəm adaɣ eqan edag akutaran, wa asagdahan adinat fal adudaben uɣin ən wi azarnen grouptan ən təmuqunen, awa ogaran aśahat adaɣ atwaga asəsigda ən dagan wi śolo Kastillo əd grouɗtan wən Las Monjas, Osario əd Main Southwest.