Ключевые слова: ancient, basilica, basilica of the holy mother of god eleusa, black sea, black sea coast, blue, bulgaria, burgas, church, city, color, day, destination, environment, heritage, horizontal, landmark, nesebar, nesebr, nesebur, nessebar, old, outdoor, outside, province, ruins, sea, season, sky, summer, tourism, unesco, vacantion, water, world heritage site,