<Dt> Olympic Green venues </Dt> <Ul> <Li> Beijing National Aquatics Center--curling / 4,000 existing / renovated </Li> <Li> Beijing National Indoor Stadium--ice hockey / 18,000 existing </Li> <Li> Beijing National Stadium--opening and closing ceremonies / 80,000 existing </Li> <Li> Beijing Olympic Village </Li> <Li> National Speed Skating Oval--speed skating / 12,000 new </Li> <Li> China National Convention Center--MPC / IBC / existing </Li> </Ul> <Li> Beijing National Aquatics Center--curling / 4,000 existing / renovated </Li> <Li> Beijing National Indoor Stadium--ice hockey / 18,000 existing </Li>

When was the last time the winter olympics were in beijing