​ Day I:1) From termini to Colosseum take Omnia Hop on Hop Off (The yellow bus). We went around Colosseum for 1.5hours, Palatine hill and Roman Forum for 2 hours.History:1) Colosseum, also known as Flavian Amphitheatre was built mostly with travertino (limestones), and cement. Despite its completion in 80 A.D., Colosseum has undergo several modification during the reign of Domitian (81–96 A.D.),...