Photo Gallery: Notre Dame Cathedral's 850th anniversary 10/10

Religious dignitaries enter Paris' Notre Dame Cathedral as part of a ceremony for its 850th anniversary , Wednesday, Dec. 12, 2012. Paris' Notre Dame Cathedral is kicking off its 850th anniversary celebrations, which will include new bells for the medieval landmark, cast in a foundry in Normandy. (AP Photo/Christophe Ena) ORG XMIT: ENA110