World 7 · Cities Under the Earth, Temples Before Farming · 11 min · PRO
Gobekli Tepe: the first temple?
A monument older than farming, and what we can say about it
PRO · Ancient Engineering
World 7: Cities Under the Earth, Temples Before Farming is part of PRO
The first world of Ancient Engineering is free. PRO opens the other 24 lessons in 6 worlds — simulations, quizzes and all.
PRO includes
- All 60 labs — every world, every lesson
- Practice exams and certificates
$8.33/mo, billed yearly ($99.99) · or $39.99 monthly