In A£®D£®£¹£´£¶£¬the Russian Grand Duke Igor was killed by the Delieflians£®In the second year£¬his wife Oligathought out a brilliant plan to avenge^1£© her husband£®She invited those murderers to take a bath in a bathroom£¬locked the door and added fuel to the fire to increase the heat of the room£¬so that those inside were steamed to death£®This historical record shows that there were steam baths in Russia as early as a thousand years ago£®