A huge cathedral with tall towers and a magnificent dome rises slowly in the municipality of Mejorada del Campo, 20 kilometers from Madrid. It seems like a common occurrence, but it is not. The building has been under construction for 50 years - brick by brick - by one man: Justo Gallego Martínez, farmer, ex-monk and a self-taught architect of 91 years of age.
Learn about his life's work (literally) after the break.
