这个条目的其他章节
- ep.23 Kongo (The Medieval Era)
- ep.24 Egypt (The Medieval Era)
- ep.25 Egypt (The Industrial Era)
- ep.26 China (The Industrial Era)
- ep.27 China (The Atomic Era)
- ep.28 Kongo (The Atomic Era)
- ep.29 Aztec (The Atomic Era)
- ep.30 Arabia (The Medieval Era)
- ep.31 Greece (The Medieval Era)
- ep.32 Greece (The Industrial Era)