Ключевые слова: animals, background, beautiful, bill, bird, colorful, courtship display, cygnus, cygnus olor, drop, head, heart, lake, love, love relationship, male, mating season, nature, olor, pair of swans, peaceful, pictures of swans on water, portrait, reflection, relationship, river, romance, swan, swan heart, swan heart shape, swan in lake, swan lake, swan love, swan pair, swan pond, swan symbolism, swan water, swimming, water, white, white swan, winter,