For decades, Mexico City’s elite has hid away in suburban hills. But Bernal is one of the new generation who have descended into the urban cauldron and pushed up the value of centrally-located property. With its charming architecture, Roma was especially ripe for development. Bernal said he would have preferred to remodel the building in Roma, but for decades tenants paid little or no rent, and it fell into disrepair. Instead he wanted to tear it down and erect a six-story condominium with a façade that complemented the neighborhood.