 Complete the following phrase:  The Cathedral of Notre Dame de Paris is among the most visible and celebrated landmarks of Paris. Contruction began in 1163 next to the older Romanesque Cathedral of Saint Etienne, Paris, and was largely completed by 1345. It is among the largest Gothic cathedrals in Europe, with a seating capacity of six-and-a-half thousand. The flèche, or Spire of Notre-Dame de Paris, originally built in 12201230, was removed in the 17th century, then rebuilt by Eugene Viollet-Le-Duc in the mid-19th century. Ninety-six meters high 315 ft high, it was the tallest structure in Paris until the construction of the Eiffel Tower. The spire and much of the roof were destroyed by the 