Answer :
The dome- architectural elements was perfected by the Romans and enabled them to build large public buildings such as the Pantheon.
Explanation:
Romans were very famous in making architectural elements. Shape of different architectural elements are dome, rectangular, block pattern. The dome shaped architectural elements was perfected by the Rome and enabled them to make a large public building like Pantheon.
Pantheon is roman catholic church. It was built in 126 A.D. It is located in Rome, Italy. Formerly it was a roman temple. Now it is a church. It is best known for preserving ancient roman monuments.