Question:  Trinity Bridge is a three-way footbridge designed by a Spanish architect whose sculptural forms often resemble what?
Sentence (from "Santiago Calatrava"): His best-known works include the Milwaukee Art Museum, the Turning Torso tower in Malmö, Sweden, the Margaret Hunt Hill Bridge in Dallas, Texas, and his largest project, the City of Arts and Sciences and Opera House, in his birthplace, Valencia.
Relevant evidence: No