Ключевые слова: 50th anniversary, authority, british, capital, celebrating, celebration, city, city hall, colorful, council, culture, diversity, england, festivities, gay pride, gay pride parade, gender, hall, happy, homosexuality, lesbian, lgbt, lgbt flag, lgbt march, lgbt plus, london, mayor, mayors office, office, parade, participants, party, people, performers, pride, pride parade, rainbow flag, rights, sexuality, street, support, transgender, uk,