Podcast Tour The Crystal Miracle How Annecy Saved Its Lake

Discover the incredible, hidden story of Lac d'Annecy. Today, it sparkles as Europe's cleanest lake, but in the 1950s, it was a dying, foul-smelling biological dead zone. Join an urban planner and a local environmental historian as they guide you through the political miracles, the scientific awakenings, and the massive, invisible engineering feats that resurrected these alpine waters. This is a story of civic courage, ecological stewardship, and the power of a community that refused to let its natural heritage slip away.

- A 3.1 km self-guided tour with 6 stops over 100 min - Ideal for travelers interested in Urbanism, Infrastructure & Innovation and History & Memory - Immersively told in a podcast style by experts and locals - Matching audio content, AI guide and navigation through the app