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Key Facts In This Video
The Clock of the Long Now is designed to keep time for 10,000 years, and will stand 200 feet (61 m) tall. 00:15
Humans will be able to wind up the Clock of the Long Now after enduring a day's hike and climbing an immense spiral staircase. 01:08
The Clock of the Long Now's face will display the time, date, a star field, and the position of the horizons. 02:06