The conclave process to elect the next pope is shrouded in secrecy. Here’s a visual guide to the ancient tradition.

For nearly 180 years, papal conclaves have chosen a new pope in three to five days. In centuries past, they've taken a lot longer.

Roman Catholic cardinals will begin their secret conclave to elect the new leader of the global Church on May 7, the Vatican said, confirming what a source had previously told Reuters.