What ? Where ? When ?

What: group skate with volunteer marshalls and a police escort, absolutely free of charge and open to all, about 20km for 2.5 to 3 hours (including pauses)
Where: Paris, starts and returns at 37 bd Bourdon 75004 (Place de la Bastille)
When: each sunday afternoon, meet from 2pm, skate starts at 2:30pm sharp and returns around 5 to 5:30pm.

Category: What's this sunday skate all about, and how does it work?