generate questions: A recent addition to the exhibition is the late 13th-century Westminster Retable, England's oldest altarpiece, which was most probably designed for the high altar of the abbey. Although it has been damaged in past centuries, the panel has been expertly cleaned and conserved.
What was recently added to the museum exhibit? {sep_token} What is the Westminster Retable? {sep_token} What was the altarpiece designed for? {sep_token} What was damaged but cleaned and then conserved?