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three vertically stacked images of Earth against a starry background, each labeled with a Russian day of the week—Выходные (Weekends), Вторник-пятница (Tuesday-Friday), and Понедельник (Monday)—with the top image of Earth slowly rotating to show different continents. The text at the top reads "Скорость вращения Земли" (Speed of Earth's rotation), and a "COUB" watermark is visible in the bottom right corner.