Ключевые слова: abstract, alone, background, bird, broken, cage, captivity, concept, contrast, creative, dark, design, empty, escape, feather, flight, free, freedom, hope, idea, isolated, isolation, liberty, light, lost, melancholy, metal, metaphor, minimal, open, prison, sadness, shadow, solitude, space, spiritual, steel, surreal, symbol, unusual, white, wings,