I have always been intrigued by the many cities within cities in Europe that hide traces of their early Roman incarnations. Over the years when I’ve visited London I have sought out those barely hidden remnants of ancient Londinium . In the video below, architect Nick Potts uncovers the city’s ancient Roman origins. Before London, there was Londinium, the capital of Roman Britain, and although it was abandoned by AD 450, the influence and some remnants of the ancient city still remain. Pott’s explores how modern London rose up from Roman ruins.