Accompanied by hundreds of bishops adorned in rainbow stripes, Pope John Paul II, center, celebrates Mass in famed Notre Dame cathedral for the first time in Paris Friday Aug. 22, 1997. The 77-year-old pontiff, in Paris for a four-day rendezvous with hundreds of thousands of youths from around the world, celebrates a beatification ceremony for Frederic Ozanam, a 19th-century French layman who founded the St Vincent de Paul charity. Beatification is one step before sainthood.(AP Photo/Domenico Stinellis)