Which landmark pictured on segovia’s coat of arms is believed by local legend to have been built by the devil?

"The Aqueduct" is the landmark pictured on Segovia’s coat of arms is believed by local legend to have been built by the devil. The aqueduct in Segovia and Spain is one of the best picture. I hope that this is the answer that you were looking for and it has actually come to your help.

What exactly do you mean 

Ones bigger then than the other