the twin gates or porta gemina, pula - istria, croatia / dvojna vrata u puli - istra, hrvatska

adriatic ancient antique arch archaeological archeology architecture attraction beautiful building buildings city classic classical colosseum column croatia croatian culture destination dvojna empire europe exterior famous gates gemina heritage historic historical history hrvatska istra istria landmark landscape monument old outdoor outdoors place pola porta pula puli ruin square stadium stage stone structure temple tourism town traditional travel twin vacation view vrata wall walls