Reference
Exactly what Khmer can train, build and research, by age.
Siege and Elephant civilization
•No buildings required to advance to the next Age or to unlock other buildings
•Farmers don't require Mills or Town Centers to drop off food
•Villagers can garrison in Houses
•Battle Elephants move +10% faster
Team bonusScorpions +1 range
53 units · 28 buildings · 71 technologies. Each building carries what it trains and researches; upgrades sit under what they upgrade from.