For a whole month each year, from 5:30 to midnight, when all the tourists are gone, a team from the Vatican comes into the Sistine Chapel to clean it, check for damage and report on the health of some of the world's most treasured art.
원문출처 : http://www.cnn.com/style/article/sistine-chapel-annual-check-up/index.html
원문출처 : http://www.cnn.com/style/article/sistine-chapel-annual-check-up/index.html