Foreign visitors graffiti at Persepolis

Foreign Visitors Graffiti at Persepolis include more than 200 graffiti carved by foreign visitors while visiting Persepolis, the capital of Achaemenid Empire (c. 550–330 BC). Theses graffiti are concentrated in two spots, namely Gate of All Nations and the palace of Apadana.

Source: Wikipedia — Foreign visitors graffiti at Persepolis (CC BY-SA 4.0)