Swings are illegal in the city of Paris.
Unless of course you pay for them at one of the major parks.
Yes, I said pay. A few euros in exchange for a few minutes of swinging fun.
But, some students near the university at the end of line 10, were feeling a little fed up with their socialist country so they went around and hung some free illegal swings around the city.
See what kind of information one can learn when you wait your turn to swing near a metro stop in the city?