In the postwar boom of the 1950s, Japan was searching for a monument to symbolize its ascendancy as a global economic powerhouse. Inspired by the Eiffel Tower in Paris, France, architects designed the 1,093-foot- (333-meter-) tall Tokyo Tower, the world’s tallest self-supporting steel structure. Today, the Tokyo Tower serves as a television and radio communications tower and is also a major tourist attraction. What was the source of about a third of the metal used in the tower’s construction? Discuss