1952 Winter Olympics
... that the bobsleigh run at the 1952 Winter Olympics was made entirely of snow?
... that the bobsleigh run at the <b id="mwFaU"><a href="./1952_Winter_Olympics" id="mwFaY" rel="mw:WikiLink" title="1952 Winter Olympics">1952 Winter Olympics</a></b> was made entirely of snow?