iron age
1 episode mention this concept
Knowledge Graph
Related concepts — line thickness indicates connection strength. Click any node to explore.
Related concepts
Concepts that appear alongside iron age across episodes.
- pinhole camera
- spring and autumn period
- south-pointing chariot
- rain shadow effect
- yangtze river
- tibetan plateau
- fall of civilizations
- divine authority
- rebellion
- qin dynasty
- terracotta army
- warring states period
- bamboo slats (for writing)
- loess plateau (huangtu)
- han dynasty
- feudal kingdoms
- elixirs of immortality
- mandate of heaven (tian ming)
- bronze age
- mercury poisoning