Ключевые слова: abstract, arrest, avian, aviary, background, bird, bird cage, birdcage, cage, caged, captive, captivity, capture, captured, close, closed, concept, conceptual, convict, decoration, decorative, detention, empty, enclosure, escape, escaped, fly, free, freedom, gilded, hope, illustration, isolated, jail, justice, law, liberty, lock, locked, object, ornament, pet, prison, prisoner, release, secure, security, symbol, vintage, white,