Šabac, 2002 Šabac (Serbia), Laza Lazarević primary school, 2002 (44° 44′ 58″ N 19° 41′ 27″ E) Fig. 1. Laza Lazarević primary school: the meridian, the global signpost and the sundial Share: Twitter Facebook Google+ art, desing, dialing, gnomon, gnomonics, hour, numbers, photo, science, shadow, sun, sundial, time