of Mexico. Zumárraga was considered to be a benefactor of the Indians, protecting them against the abuses of their Spanish overlords. There is also a natural-sized sculpture of the archbishop atop the cenotaph. On its walls are dozens of bronze plaques that indicate the locations of the remains of most of Mexico City's former archbishops, including Cardinal Ernesto Corripio y Ahumada. The floor is covered with small marble slabs covering niches containing the remains of other people. The cathedral contains other crypts and niches where other religious figures are buried, including in the chapels. Restoration The sinking ground and seismic activity of the area have had an effect on the cathedral's construction and current appearance. Forty-two years were required simply to lay its foundation when it was first built, because even then the Spaniards recognized the danger of constructing such a huge monument in soft soil. However, for political reasons, much, but not all, of the cathedral was built over the remains of pre-Hispanic structures, leading to uneven foundation from the beginning. Fire of 1967 On 17 January 1967 at 9 pm, a fire caused by an electrical short circuit caused extensive damage to the cathedral. On the Altar of Forgiveness, much of the structure and decoration were damaged including the loss of three paintings; The Holy Face by Alonso López de Herrera, The Martyrdom of Saint Sebastian by Francisco de Zumaya and The Virgin of Forgiveness by Simon Pereyns. The choir section lost 75 of its 99 seats as well a painting by Juan Correa along with many stored books. The two cathedral organs were severely damaged with the partial melting of their pipes. Paintings by Rafael Jimeno y Planas, Juan Correa and Juan Rodriguez Juarez were damaged in other parts of the cathedral. After the fire, authorities recorded the damage but did nothing to try to restore what was damaged. Heated discussions ensued among historians, architects and investigations centering on the moving of the Altar of Forgiveness, as well as eliminating the choir area and some of the railings. In 1972, ecclesiastical authorities initiated demolition of the choir area without authorization from the Federal government, but were stopped. The government inventoried what could be saved and named Jaime Ortiz Lajous as director of the project to restore the cathedral to its original condition. Restoration work focused not only on repairing the damage (using archived records and photographs), but