The Olympic Skating Surface is an ICE rink, which is a flat surface made of ICE that is used for recreational and competitive skating. ICE skating is a popular sport in the Winter Olympics, and the Olympic Skating Surface is designed to provide a smooth and even surface for athletes to perform their best. The ICE rink is usually made of a combination of water and a refrigerant, such as Freon, which is then frozen to create a solid surface.