In Tottori, Japan, sand sculptors build epic sand castles honoring the London 2012 Olympic Games. In Tottori, Japan, sand sculptors build epic sand castles honoring the London 2012 Olympic Games. In Tottori, Japan, sand sculptors build epic sand castles honoring the London 2012 Olympic Games. In Tottori, Japan, sand sculptors build epic sand castles honoring the London 2012 Olympic Games.