Vatican workers installed the simple stove in the Sistine Chapel where ballots will be burned during the upcoming conclave to ...

Firefighters place the chimney on the roof of the Sistine Chapel, where cardinals will gather to elect the new pope, at the ...

Fire crews were also seen on the chapel roof attaching the chimney from which smoke signals will indicate whether a pope has been elected.

The white smoke was produced using potassium chlorate, lactose and chloroform resin. The once-mysterious recipe for the smoke was unveiled in 2013, the New York Times reported then. The cardinals ...

For white smoke, a cartridge of potassium chlorate, lactose and chloroform resin is burned with the ballots. Bells also are rung to signal the election of a pope, for further clarity. The new pope ...