Valjevo, 2006 Valjevo (Serbia), “Žikica Jovanović Španac” primary school, 2006 (44° 16′ 14″ N, 19° 53′ 47″ E) Fig. 1. The installation of the sundial: the scenes from the popular science film “Sundials: the Silent Voice of Time” (RTS, 2005) Share: Twitter Facebook Google+ art, desing, dialing, gnomon, gnomonics, hour, numbers, photo, science, shadow, sun, sundial, time