<span class="first">2012</span> Summer Games

1988 Winter Olympics

1988 Winter Olympics

World Sprint Champion Dan Jansen of U.S.A. puts his and to his head, after falling and bringing down Japan's Yasushi Kuroiwa, during the Men's 500 meter speed skate at the Winter Olympics in Calgary Sunday, Feb. 14, 1988. Jansen, 22, had earlier heard of the death of his elder sister. (AP Photo/Ron Heflin)