The Su Song Astronomical Clock Tower 1088 AD
The First Pulse

The Su Song Astronomical Clock Tower 1088 AD

Yosher 100/100 · 630 words · The Unburnable Library

The First Pulse · The Su Song Astronomical Clock Tower 1088 AD — The Su Song Astronomical Clock Tower 1088 AD Layer 1: Ancient Marvels of Engineering and Astronomy The Mainstream Signal The Su Song Astronomical Clock Tower, built in...

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