Across
- 5. 'City of Gods'
- 6. Great Greek Conquerer
- 7. Overuse of Trees
- 8. First Chinese Dynasty
- 10. A River in Egypt
- 11. 21-century Teacher
Down
- 1. Southern Supercontinent
- 2. Mayan Super-City
- 3. 'Head of the house
- 4. China's First Emperor
- 9. One of Two Quarreling Brothers