Visual artist Dan Gregor (INITI) creates an interactive and dynamic light installations in public space. Using exact calculations and architectural plans of buildings he subjects the original architecture to illusionist games and through virtual objects he animates static buildings. As a member of the art group The Macula he was involved in such projections of Prague Clocktower (2010) or New Museum of Liverpool (2011). He collaborates with various theater and musical groups. Along with musician Tomáš Dvořák (FLOEX) he has created an interactive installation Archifon I. for Olomouc animation festival for PAF and its free sequel Archifon II. for Brussels festival Nuit Blanche in 2012.