A section of the Great Wall with battlements and a watchtower climbing a steep mountainside beside a rammed earth cross-section and a signal fire beacon on a light gray background

Sticky Rice Mortar, Signal Fires, and 67 Watchtowers — How Well Do You Know the Wall?

Difficulty

Hard

Questions

Volts

3/q

It stretches across mountains, deserts, and even into the sea. The Great Wall was built with sticky rice mortar, rammed earth, and millions of bricks. 29 hard questions about the architecture that defined an empire.

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