This was shown as part of a collaboration with artist Frederico Dalton who created a virtual space called Galeria Transparente on Facebook and has invited participation by an array of artists (Artur Barrio, Regina Vater, Maurício Ruiz, etc). 

https://www.facebook.com/pages/Galeria-Transparente/1452624385016089

312 in 2013

312 Brazilians were killed in 2013 just for being gay.  This is a memorial for them: one photo of a scarred ancient sculpture for each individual.  Their monument.