1. 1924 Summer Olympics   Paris   Melbourne   St. Louis   Munich   Hint Half-n-half Clue   2. 1948 Summer Olympics   Mexico City   Antwerp   London   Paris   Half-n-half Clue   3. 1952 Summer Olympics   Los Angeles   Tokyo   Helsinki   Atlanta   Half-n-half Clue   4. 1920 Summer Olympics   Athens   Antwerp   St. Louis   Seoul   Half-n-half Clue   5. 2012 Summer Olympics   London   Antwerp   Barcelona   Stockholm   Half-n-half Clue   6. 1988 Summer Olympics   Paris   Berlin   Seoul   Los Angeles   Half-n-half Clue   7. 1928 Summer Olympics   Amsterdam   Montreal   Sydney   London   Half-n-half Clue