Pope Francis, who died on Easter Monday, has broken with tradition when it comes to where he is being laid to rest – choosing a light-filled basilica instead of the grottoes of the Vatican. Popes are usually buried within Vatican City,

Current and former U.S. presidents and other world leaders gathered at the Vatican for Pope Francis' funeral. Chloe Kim

Among the estimated 200,000 people at the service are presidents Trump and Zelensky, who met briefly before the funeral began.