Build It So Big Everyone Thinks You're Mad. That Was the Plan for Seville Cathedral.

In 1401, the leaders of Seville made a decision that bordered on insanity. They wanted a cathedral so enormous, so ambitious, that anyone who saw it in the future would assume its builders had been mad. If you'd like to support the channel and get access to extra content:    / @before-machine-age   The result was Seville Cathedral, a structure that pushed the limits of medieval engineering and consumed generations of labor, wealth, and craftsmanship. Built on the site of a former mosque, it became a statement of power, faith, and civic pride at a time when Seville was emerging as one of Europe's most important cities. This video explores the remarkable story behind the cathedral's construction, the people who built it, the challenges they faced, and the bold vision that transformed an impossible idea into one of the greatest architectural achievements of the medieval world. Why did they build it so large? And how did they convince themselves it could actually be done? The answer reveals as much about human ambition as it does about stone and mortar.