Ключевые слова: ancient, antique, archeology, architecture, ball, bastion, battle, beautiful, broken, bullet, cannon, cannonball, capital, citadel, classic, core, daugavpils, emperor, empire, famous, fort, fortress, gun, historic, history, holy, isolated, kernels, landmark, latvia, medieval, meteorite, nobody, nucleus, objects, old, oolite, outdoor, past, place, rectangle, rocky, ruin, shell, stone, tower, travel, used, war,