Read the information about buildings and rewrite it in the past simple passive form. Use the agent where necessary. The Ancient Britons built Stonehenge around 2000 ВС. 2 The Roman Emperor Hadrian completed the Pantheon. 3 Arnolfo di Cambio constructed Florence Cathedral out of marble. 4 They opened the Colosseum in 80 AD. 5 Edward Lhuyd discovered the Newgrange ancient monument in 1699. 6 Ictinus and Callicrates started construction of the Parthenon in 447 BC.