The term ICE PALACE is a combination of two words, RINK and IGLU, which both have four letters. A RINK is an area of ice used for sports such as ice hockey, figure skating, and speed skating. An iglu is an Inuit shelter made from blocks of snow or ice. An ice palace is a large structure made of ice, usually built for a special event or celebration. It is often decorated with lights and sculptures, and can be used for activities such as ice skating.