Who built the stone arch bridge?

Question

HOMEWORK s***

Answer 1

Although arches were invented in Mesopotamia and passed down through Greek and Etruscan civilations to the Romans, it was the latter who adapted the design to bridges and aqueducts that still stand as artistic and engineering wonders to this day. It is the key-stone that permits the stability of arches.

Answer 2

Here is one:

http://en.wikipedia.org/wiki/Stone_Arch_...

Answer 3

your mom

Answer 4

bob

Answer 5

where???

the romans are noted to be specialists at the stone arches  with a holding stone in the middle.