1. 2004 Summer Olympics   Athens   Paris   Helsinki   London   Hint Half-n-half Clue   2. 1996 Summer Olympics   Mexico City   Tokyo   Seoul   Atlanta   Half-n-half Clue   3. 1972 Summer Olympics   Munich   London   Beijing   Amsterdam   Half-n-half Clue   4. 1992 Summer Olympics   Barcelona   Stockholm   Beijing   Tokyo   Half-n-half Clue   5. 1896 Summer Olympics   Barcelona   Paris   Munich   Athens   Half-n-half Clue   6. 1944 Summer Olympics   Rome   Berlin   London   Sydney   Half-n-half Clue   7. 1952 Summer Olympics   Montreal   Berlin   Helsinki   Melbourne   Half-n-half Clue