Architect Ricardo Legorreta Vilchis was one of the best-known students of Luis Barragán, Mexico’s only Pritzker Prize-winning architect. While Legorreta’s works normally followed several of the characteristics of Barragán’s Tapatía School of Architecture (blocky volumes, minimalism, and bright colors), others such as the Celanese Building break from tradition but are still notable. Designed in collaboration with Roberto Jean, and with a height of almost 55 meters (180 feet), the building was finished in 1968. The tower is known for its almost gravity-defying look, seemingly balancing on a cube that is…