Complex sentence: Caister Roman Site is a Roman Saxon Shore fort, located in Caister-on-Sea, Norfolk, constructed around AD 200 for a unit of the Roman army and navy and occupied until around 370-390 AD.
Split into simpler sentences: Caister Roman Site is a Roman Saxon Shore fort, located in Caister-on-Sea, Norfolk. It was constructed around AD 200 for a unit of the Roman army and navy and occupied until around 370-390 AD.