Bradenton Motorsports Park

Every year more and more expensive and complicated sports hall were built, and even some of the world's newest and largest sports stadiums are being built with the possibility of turning them into indoor facilities.

The new Wembley Stadium in London, the most expensive ever built, has a retractable roof which, although not fully close, do not afford protection from the weather for the fans, and still be able to draw and secure requirements for land to grow. Wimbledon famously added the roof of his center court, after a few tournaments were to stop raining and now it is hardly the main stadium design is a process that does not at least take into consideration, including roof.

In the United States in the reconstruction of the NFL Dallas Cowboys stadium will be the most expensive NFL stadium ever built when completed in 2009. It will have 660,000 square-foot retractable roof and will have a capacity of 100,000. In Japan, Oita Stadium was nicknamed named Big Eye, after the closure of part of its roof, which is reminiscent of the eyelid as it was closed.

In the UK, the popularity of sport as a pastime has allowed investment needed to build facilities to make more sports indoors and away from the vagaries of British weather. Indoor ice rink dating back before World War II, when Richmond, Surrey, but an ice rink which was taken over during the war effort to hand granate.Klizalište has been used by some of Britain's most famous skaters, including John Curry and Robin Cousins​​, and gold Olympics medal, which is used to train there. For a time it was the world's largest indoor ice rink open to the Vienna Stadthalle in 1950.