A foliaceous view of the Notre Dame (“Our Lady,” i.e., the Virgin Mary) cathedral on the Île de la Cité. The Île de la Cité is an island in the River Seine that is the official center as well as the birthplace of Paris. Before the Romans arrived, the island was the home of a Gaulish tribe called the Parisii.
On a site once occupied by a Roman temple to Jupiter, construction of the cathedral took 182 years, from 1163 to 1345. That sort of schedule slippage was quite common in the days before Microsoft Project.