Ключевые слова: bird flights, bird of passage, blue sky, bright sunset, cloud, cloud cover, cloudiness, coppice, copse, dawn, decline, disturbing sunset, dramatic, dramatic clouds, dusk, environment, flying birds, forest, gentle clouds, grief, heaven, illuminated, landscape, migrant bird, migrating bird, migratory bird, natural, nature, nebulosity, overcast, park, parkland, pink clouds, quiet evening, sadness, scape, scenery, season, setting sun, sky, skyward, sorrow, spring, spring migration, spring migration birds, spring sky, sundown, sunset time, time year, tragedy, view, wild, wild nature, wilderness, wildlife,