Hundreds of people lined the streets of Paris near Notre Dame Cathedral on Thursday to witness the arrival of nine new church bells that will be installed to celebrate the iconic landmark\'s 850th anniversary. Driven through the streets of Paris with a police motorcycle escort, nine new bells arrived at Notre Dame Cathedral on Thursday to be installed for the landmark\'s 850th anniversary. Hundreds lined the streets of the French capital to watch the bells be carried on two trucks to the iconic church, where they were greeted by gathered crowds to the sounds of its old bells ringing. Four of the old bells, in place since 1856, had deteriorated because of the low-quality metals used, rendering them out of key with the main tenor bell, Emmanuel, considered one of the finest examples in Europe. The nine new bells will be installed overnight Friday and on display for a month from Saturday, before they will be rung for the first time on March 23 to mark the beginning of the Holy Week before Easter. Eight of the bells were made in a foundry in Normandy, but the largest, Marie, weighing six tonnes, was made in Asten in the southeastern Netherlands. The new bells took a year and a half to build and are expected to last 200 to 300 years. The project to build and install them cost 2 million euros ($2.7 million) and was financed by private donations. The Gothic cathedral on an islet on the River Seine is one of the most visited sites in Paris, attracting 13.6 million visitors in 2011.