The RER B left you flustered at Châtelet just before a crucial meeting? Discover the tactical plan to find a shower and a private refuge 300m away, and turn a stressful arrival into a flawless preparation.
Emerging from RER B at Châtelet, stressed and dishevelled before a crucial meeting? Discover our tactical guide to a private haven just 300m away, where you can shower, change, and regain your composure.