All eyes are on Vatican City Tuesday with just over a day to go until the start of the papal conclave to elect the 267th pope.

In total, 133 cardinals will be voting during this conclave, the most electors ever, with 108 of them being appointed by Pope Francis.

The Vatican was busy with last-minute arrangements on Tuesday to get ready for the conclave to elect the next pope. Cardinals wrapped up their pre-conclave meetings Tuesday, trying to identify a possible new pope who could follow Pope Francis and make the 2,

As the conclave to elect the next pope begins Wednesday at the Vatican, four candidates have emerged as clear favorites—Cardinals Pietro Parolin, Luis Antonio Tagle, Matteo Zuppi and Pierbattista Pizzaballa.

Cardinal Luis Tagle, the archbishop of Manila in the Philippines, was appointed by Pope Francis to an office in the Vatican that focuses on evangelization. ABC News' Britt Clennett reports.

The process of electing the next pope begins Wednesday in Vatican City with the voting members of the College of Cardinals sequestered inside the Sistine Chapel and cut off from the outside world until they make their choice.

When the cardinals enter the Sistine Chapel on Wednesday at the start of conclave, the process of electing a new pope, they will be sealed off from the world.

A papal conclave blends the political and the spiritual, cardinals and theologians say. Here, in Catholic belief, is how the Holy Spirit fits in.