Prevrzma, 2010 Prevrzma (near Čajniče, BIH), Mašić family house, 2010 (44° 35’ 24” N, 19° 05’ 08” Е) Fig. 1. The horizontal sundial: the giant football was added later Share: Twitter Facebook Google+ art, desing, dialing, gnomon, gnomonics, hour, numbers, photo, science, shadow, sun, sundial, time