
Given the following passage

"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.",

answer the following question. Note that the answer is present within the text.

Question: Since the 20th century there has been significant population movement to __. 

England
