Across
- 2. London, Dublin, New York...
- 4. countries, cities, migrations and urbanism
- 5. the battle of Hastings in 1066, the French Revolution in 1789...
- 6. gravity, atoms, electricity, formulas, optics...
- 7. Madrid, Barcelona, México
Down
- 1. the study of life, rocks and plants
- 3. one plus one equals two
- 8. football,basketball,aerobics