Citadel

• 📅So, 15. Nov 2026 · 15:11
• 📍House of AI — Alle Events
• 🎫ab 4,5 €

This guided tour of the Citadel explores its little-known history from 1935–1945, when the site housed the Army gas protection laboratories (HGL), where the German military researched nerve agents like tabun, sarin, and soman.