Cardinals have no contact with the outside world after the master of liturgical ceremonies utters the words “Extra Omnes” the Latin phrase for “all out,” to ask all those present except the cardinal electors to leave the Sistine Chapel to begin the voting process.

Cardinals will gather for the papal conclave — the centuries-old tradition through which a new head of the Catholic Church is elected — starting on May 7.

Pope Francis's modest tomb drew massive queues on the first day of public viewing in Rome on Sunday, a day after an estimated 400,000 people turned out for his funeral