| Many a clearstory wall was thrust apart by the vaultings pressure. |
| The highest windows are those of the clearstory, which is the upper part of the central nave, in this case the nave of the choir. |
| We have no record of the building of the clearstory 62and roof of the nave. |
| Often, a gallery in the wall below the clearstory but less accurately placed. |
| The XV century rehandled the high vaulting and clearstory, where appear die-away moldings and flamelike tracery. |
| The panelling beneath the clearstory is richer than that in the nave. |
