1. 1972 Summer Olympics   Munich   London   Barcelona   Athens   Hint Half-n-half Clue   2. 2012 Summer Olympics   Beijing   Barcelona   London   Seoul   Half-n-half Clue   3. 1936 Summer Olympics   Beijing   Moscow   Montreal   Berlin   Half-n-half Clue   4. 1904 Summer Olympics   London   Montreal   St. Louis   Seoul   Half-n-half Clue   5. 1988 Summer Olympics   Tokyo   Paris   Mexico City   Seoul   Half-n-half Clue   6. 2000 Summer Olympics   Mexico City   London   Sydney   Los Angeles   Half-n-half Clue   7. 1924 Summer Olympics   Los Angeles   Barcelona   Paris   Beijing   Half-n-half Clue