Many of the houses and small shops were over 40 years old and constructed of taquezal or talquezal and roofs of unmortared clay tiles .
Talquezal have walls that are timber frames filled with stone and finished with plaster .
Many of the houses and small shops were over 40 years old and constructed of taquezal or talquezal , which have walls that are timber frames filled with stone and finished with plaster , and roofs of unmortared clay tiles .