Tercerunquinto (meaning in English something like ‘a third of a fifth’) is the collective project of Mexican artists Julio Castro Carreón, Gabriel Cázares Salas and Rolando Flores Tovar. Formed in 1996, the collective is responsible for dozens of actions designed, in their words, ‘to question the boundaries between private and public space, examining the organized frontiers around the constitution of such definitions’. In the past Tercerunquinto’s projects have taken the form of architectural or infrastructural interventions that aim to create or ‘amplify’ freedoms still present in an administrated and compromised reality. See Ampliación de un area verde (Enlargement of a Green Area, 2004), where the collective extended the grassy patch in a parking area, thereby disrupting the ordered system of cars, or Open Access (2005), installed at The Power Plant in Toronto, where the group negotiated the creation of a second public entrance so that intrepid gallery-goers could circumvent the ticket counter.