Join us for an engaging presentation titled 'Hidden Water: The Water Mines of Sant Feliu de Llobregat,' featuring key insights from author Josep Menargues Rajadell, along with contributors Oriol Valls Maureli and Jaume Campos Masi. In the face of a climate crisis, this book highlights the historical significance of the water mines in Sant Feliu de Llobregat, advocating for their contribution as a valuable legacy of ancestral ecohydrotechnology. The discussion aims to uncover sustainable solutions inspired by these traditional practices, prompting reflection on our current environmental challenges. This event is an excellent opportunity for those interested in the intersection of history, technology, and sustainability.