Plan:b is an architectural office that defines its work through a practice in which equal status is given to dialogue, drawing, travel, model making, construction, etc. and which continuously handles professional or academic situations, publication of books, college classes or construction of buildings. Plan: b trust in working collaboratively, making of it a statement of architecture and understands the practice and the architectural project as open situations, provisional agreements, phenomena not imposed and embedded in eco-social networks both local and worldwide. Founding partners: Felipe Mesa + Federico Mesa