Barcelona is filled with historic landmarks, but one of the most popular tourist destinations is a 120 year old construction site --- the church of the Sagrada Familia, designed mostly by Antonio Gaud. The maverick architect got the commission when he was a young hotshot, but when Gauddied at 74, only a fraction of the strange and spectacular Sagrada Familia was finished. Peter Crimmins recently checked on the church's progress, where the locals have begun to wonder aloud if it's worth all the trouble.

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