 The cathedral 's sixteen chapels were each assigned to a religious guild , and each is dedicated to a saint . Each of the two side naves contain seven chapels . The other two were created later on the eastern and western sides of the cathedral . These last two are not open to the public . The fourteen chapels in the east and west naves are listed below . The first seven are in the east nave , listed from north to south , and the last seven are in the west nave . 
