Cité Métro Station

Cité is a station of the Paris Métro, serving Line 4.It is the only station located on the Île de la Cité, and serves Notre-Dame de Paris Cathedral, the Sainte-Chapelle, the Conciergerie, and other monuments of the island. It crosses under the Seine on both sides. The platform lengths are 110 metres, longer than the 90-105 metre length of most line 4 station platforms.

The station was renovated in 1991, and its lighting is green. (provided by wikipedia)