One hundred and thirty-three cardinals are sequestering themselves behind the Vatican’s medieval walls for the start of a conclave to elect a successor to Pope Francis.

As the conclave gets underway, eyes are searching for the billowing white smoke that signals Habemus Papam: “We have a pope.”

Under the frescoes painted by Michelangelo, cardinals will elect the successor to Pope Francis at the Sistine Chapel as the conclave begins today. This papal chapel has a long and storied history dati