GREAT DISCOVERIES · 7th C.
Cheomseongdae, Gyeongju, South Korea
Gyeongju was the capital of the Silla kingdom for close to a thousand years.
The story, as a puzzle
A queen's stargazing tower.
In the 7th century, a queen of the Silla kingdom built a bottle-shaped stone tower, often called one of the oldest surviving astronomical observatories in East Asia. Pin it.
Where it is
Think you'd have found it on the map?
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