Step 1 : Introduction to the question "1. Which of the following famous opera houses was built following an international design competition?"
...1. Metropolitan Opera House 2. Palais Garnier 3. Buxton Opera House 4. Sydney Opera House The contest to design the opera house was won by a man named J�rn Utzon. He was from Denmark and his design was picked out of over 200 designs entered in the contest. The Sydney Opera House opened in 1973. It is well-known around the world for its interesting design and spectacular location.