A ghost figure is pictured at a haunted house in Tokyo Dome City amusement park in Tokyo September 2, 2010. Other nations drink water or eat watermelons in summer, but the Japanese flock to &quot;obake yashiki&quot; or &quot;haunted houses&quot; to shiver, tremble and in this way cool down as the worst heatwave in history strikes the country. REUTERS/Antoni Slodkowski