Explore Barcelona's rich labor history through this engaging guided walk. Discover how the historic Canadenca strike launched the city into being the first in the world to achieve the eight-hour workday. The route begins at the scenic Parc de les Tres Xemeneies and leads you to the last remaining medieval gate in Barcelona, the Portal de Sant Madrona. Along the way, learn about its historical significance and the militia of the Coronela that once guarded it. You'll wander through the vibrant Paral·lel area and uncover the secret doorway to Montjuïc, eventually reaching Air Raid Shelter 307, a fascinating remnant from the 1936 Civil War. This tour offers a unique and enlightening insight into the city’s history and cultural landscape.