In 2006, the mayor of São Paulo passed the Clean City Law, which banned all outdoor advertisements, including billboards and signs in front of stores. The law led to the removal of 15,000 billboards and resulted in nearly $8 million in fines. Seven years later, the city remained free of visual clutter, with 70% of residents finding the ban beneficial. The removal of ads exposed previously overlooked architecture, revealing a rich urban beauty that had been hidden.