Ключевые слова: abstract, background, beach, blue, business, challenge, change, clock, coast, concept, countdown, deadline, ecology, environment, flowing, glass, holiday, hour, hourglass, idea, instrument, lifestyle, light, minute, nature, new day, ocean, outdoor, past, rapid passage of time, relax, relaxation, running of time, sand, sand timer, sandglass, sea, summer, summertime, sun, sunny, time, time concept, time passing, timer, travel, tropical, vacation, watch, water,