What is an arch explain?

Related questions

1. How did the aqueduct work?
2. Why is the Pont du Gard famous?
3. How does an arch work?
4. What is being arch?
5. What are the parts of an aqueduct?
6. What is the meaning of the prefix Arch?
7. Why were the aqueducts built?
8. How does an aqueduct carry water?
9. Why was Pont du Gard built?
10. Are there aqueducts in America?

Tags

1. #horizontal
2. #hydrostatic
3. #elevated
4. #spans
5. #curved
6. #above
7. #weight
8. #structure
9. #support
10. #vertical
11. #pressure
12. #against
13. #space