Atlas Obscura
@atlasobscura · Oct 21, 2017
A 9-ton sculpture is moved every year to mark the boundary, which changes with the fluctuating tilt of Earth's axis trib.al/AzxxEYU
Elon Musk
@elonmusk
A reminder of the youth of our 10,000 year (to be generous) civilization. We are not even a flash in the pan compared to the 4,500,000,000 year age of Earth. I won't even bother mentioning the age of the Universe.
03:16 AM · October 21, 2017 · 0 views
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