An architectural marvel has sat incomplete in a residential corner of Barcelona since its architect, Antoni Gaudí, died during construction in 1926. For decades, La Sagrada Familia has been an example of Christian fealty and Catalan ingenuity wrought in granite and sandstone; but little could anyone have guessed that ninety-four years after Gaudí’s death a Japanese sculptor would dedicate his life to completing the architect’s colossal work.