In a few words, why did Emperor Hadrian rebuild the Pantheon?

2 main reasons : a) there has been some great fires in the city, in the previous decades and seems like the temple was very damaged. b) Adriano was obsessed with architectural restyling of Rome. read more

Among the most recognisable of Hadrian’s buildings is the Pantheon in Rome. One of the most iconic buildings of its age, it is the product of the great leaps forward made in Roman construction technology at this time. read more

Most historians claim that Emperor Augustus right hand, Agrippa, built the first Pantheon in 27 BC. It burned in the great fire of 80 AD, was rebuilt by Emperor Domitian, but was struck by lightning and burned again in 110 AD. read more