11.   One thousand priests celebrated the Mass with the pontiff.

12.   These reforms include allowing priests to celebrate Mass in languages other than Latin.

13.   This was a church where a priest celebrated Mass.

14.   Within the old stone walls of San Fernando Cathedral, sightseers mingle with Roman Catholic worshippers as a priest celebrates Mass in Spanish and English.

15.   An Orthodox priest celebrated a service for the seven, including Kursk commander Gennady Lyachin, at the Peter the Great military institute.