Big picture: Explore St Peter's Square
Thousands of people are expected in St Peter's Square in Rome over the next few days, eager to find out who will be the next Pope. They are watching for white smoke to billow from a chimney on the roof of the Sistine Chapel indicating that a final decision has been reached. Explore the image below to find out more about what is going on while the cardinals deliberate.
Watch below for live coverage of the specially installed chimney on the roof of the Sistine Chapel in the Vatican.
The smoke, which is visible to onlookers in the square, traditionally turns from black to white once a new pope has been chosen.