Five English medieval gems: the smaller cathedrals at Rochester, Southwell, Ripon, Bristol and Oxford

England has vast medieval cathedrals like Canterbury and York. But small can be no less interesting and our five are rich in history, architecture and art and in one case, stunning engineering. Beginning with Rochester, then moving on to Southwell, Ripon, Bristol and Oxford, we will journey from the Anglo-Saxon period to the eve of the Reformation.