![f0059-01](https://article-imgs.scribdassets.com/9cxu6m9vnkcou2ta/images/fileNPDH9VE2.jpg)
triking in its simplicity, Edificio Tonalá 15 fits into Mexico City’s historic Roma neighbourhood like a missing puzzle piece. Local firm CRB Arquitectos cleverly maximized its modest foot-print, fitting four units per floor (including shortterm, medium-term and permanent housing) onto