Ljig (Serbia), “1300 kaplara” high school, (M. Tadić, M. Hrnjazović, 2015)
(44° 13′ 17″ N, 20° 14′ 17″ E)
Fig. 3. Students looking at the new sundial. Inscription “Not a single step back!” is the password used by the famous Serbian 1300 corporals during the entire World War I.Most of them were students of the Belgrade University. Two-thirds of them died during the war.