Time travel at the town hall — National Architecture Days 2026
Voyage dans le temps à l'hôtel de ville — Journées nationales de l'Architecture 2026
Sun 18 Oct · 14:00–18:00
Hôtel de ville
Good to know : The National Architecture Days are an annual event where venues and professionals offer the general public tours, walks and workshops to discover architecture.
Augmented reality activity with Meta Quest 3 headsets, an oversized snakes and ladders game, a wooden model and a Lego workshop.
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📮 Get Boulogne-Billancourt's family outings every Thursday