Schroepfer, T., Nanayakkara, S. C., Withana, A., Wortmann, T. , Cornelius, A., Khew, Y.N., Lian, A. 2014. Keepers & Bees: an interactive light-art installation of interactive critters that visitors can interact with in real time via their smartphones. In Singapore, Archifest 2014 (Keepers: Singapore Designer Collaborative, Orchard Green,Singapore, 26 Sep - 11 October, 2014).