Visitors have been barred from the Sistine Chapel, where the conclave of cardinals will vote to elect the next pope.

Preparations for the conclave to find a new pope accelerated Friday with the installation of the chimney out of the Sistine Chapel that will signal the election of a successor to Pope Francis.

Vatican workers have installed the simple stove in the Sistine Chapel where ballots will be burned during the upcoming conclave to elect a new pope. The Holy See released a video Saturday of the preparations for the May 7 conclave,