You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Westminster_Abbey

Context:
The Westminster Abbey Museum is located in the 11th-century vaulted undercroft beneath the former monks' dormitory in Westminster Abbey. This is one of the oldest areas of the abbey, dating back almost to the foundation of the church by Edward the Confessor in 1065. This space has been used as a museum since 1908.

Question:
What is located in the vaulted undercroft beneath the monks' dormitory?

The Westminster Abbey Museum