At private dinners and at formal gatherings of cardinals, talk among church leaders of who will next lead the church has certainly already begun.

Final preparations are underway to start the conclave, which will elect Pope Francis' successor. The Vatican released video of workers installing a stove where ballots will be burned during the process.

Pope Francis's death at the age of 88 means the Catholic Church must choose a new leader. Here's how cardinals elect the next pontiff at the conclave.