Complex sentence: Indeed, so strong is the resemblance, that the building has been dubbed "The Reims of Cyprus"; it was built with three doors, twin towers over the aisles and a flat roof, typical of Crusader architecture.
Split into simpler sentences: Indeed, so strong is the resemblance, that the building has been dubbed "The Reims of Cyprus". The building has three doors, twin towers over the aisles and a flat roof, typical of Crusader architecture.