Terracotta Army

The Terracotta Army was a collection of thousands of terracotta soldiers built for the tomb of Chinese emperor Qin Shih Huang.

Background
The archaeologist exam at the Pioneer Scout camp has a question that directly references the location. It asks "The tomb of the evil Chinese emperor Qin Shih Huang is guarded by thousands of warriors made of what material?" Terracotta is the correct answer to the question.

Appearances
The Terracotta army is mentioned $$