Ключевые слова: art, awareness, blue, celebration, communication, community, connection, creativity, culture, delivery, design, envelopes, environment, events, express, festive, flying, global, greenery, heart, heritage, illustration, importance, information, international, letters, local, logistics, mail, mailbox, message, nature, organized, outreach, people, postal, recognition, red, service, society, symbolic, systems, teamwork, theme, tradition, vibrant, workers,