Ключевые слова: a brick, a look, a stone, a structure, a wall, ancient, antiquarian, antique, antiquity, architecture, beautiful, belief, brick, building, bulgaria, church, construction, crowd, culture, destroyed, europe, historic, history, is destroyed, is protected, museum city, nature, nessebar, old, old nessebar, people, protection, ruins, sight, stone, the black sea, the city, the district, the nation, the nature, the population, the sea, tourism, tradition, travel, unesco, unesco world heritage, unesco world heritage site,