Ключевые слова: action, antique, background, business, clock, closeup, color, countdown, deadline, flow, flowing, glass, hour, hourglass, ideas, image, instrument, measurement, no people, object, old, oldfashioned, past, patience, pressure, reflection, retro, running, sand, sand timer, sandglass, schedule, space, speed, stress, time, timer, urgent, waiting, watch,