The Pantheon is a large, round temple with a domed roof. The temple is made of concrete, and it is covered with white marble. The dome of the Pantheon is 43 meters (142 feet) high, and it is made of concrete and brick. The dome is supported by a series of arches, which are also made of concrete.
The Pantheon is a very impressive building, and it is a testament to the skill of Roman engineers and builders. The Pantheon is a popular tourist destination, and it is also used for religious services.