1. 1960 Summer Olympics   Athens   Rome   Stockholm   Tokyo   Hint Half-n-half Clue   2. 1952 Summer Olympics   Munich   Helsinki   Antwerp   Beijing   Half-n-half Clue   3. 1980 Summer Olympics   Mexico City   London   Moscow   Beijing   Half-n-half Clue   4. 1900 Summer Olympics   Paris   Moscow   Tokyo   Beijing   Half-n-half Clue   5. 1984 Summer Olympics   Berlin   Munich   Moscow   Los Angeles   Half-n-half Clue   6. 1964 Summer Olympics   Athens   Sydney   London   Tokyo   Half-n-half Clue   7. 1916 Summer Olympics   Berlin   Melbourne   Tokyo   Paris   Half-n-half Clue