Artist Diogo Machado aka Add Fuel, turned an utility box in Lisbon, Portugal into a ceramic tile illusion. The artwork was done with permission as part of the Trampolins Gerador Project organized by Mistaker Maker. According to Street Art News:
The idea of the [Trampolins Gerador] project was to revitalize the area through music, performance, food, photography, intervention, urban art, workshops, talks, etc.