PHOTOS: Inside the Sistine Chapel

This picture made available Tuesday by the Vatican newspaper L'Osservatore Romano shows the Sistine Chapel set up for the beginning of the conclave, at the Vatican.

Cardinals enter the Sistine Chapel later today to elect the next pope amid more upheaval and uncertainty than the Catholic Church has seen in decades: There's no front-runner, no indication how long voting will last and no sense that a single man has what it takes to fix the many problems. (AP Photo/L'Osservatore Romano, ho)

This picture made available by the Vatican newspaper L'Osservatore Romano shows the three sizes of the pope's garments and shoe boxes in a room next to the Sistine Chapel, seen through the door at right, at the Vatican.  (AP Photo/L'Osservatore Romano, ho)

Urns where each cardinal will place his folded ballot after voting are seen inside the Sistine Chapel in this image made available Tuesday by the Vatican newspaper L'Osservatore Romano. (AP Photo/L'Osservatore Romano, ho)