anchor: La City de l'Espace (exit 17 or 18 from the ring road; m??tro Marengo) is a huge space complex, with a planetarium and a park laid out like the solar system, dominated by a replica of the Ariane rocket in whose control room you can prepare for launch and watch the deployment of a satellite.
positive: The space complex features a replica of the Ariane rocket.
negative: The Ariane rocket replica is no longer at the space complex.