Exactly 10 minutes. Same duration when they close the roof.
== == One hour The process takes 56 minutes and 30 seconds - and the roof should only be operated when the stadium is empty.
It can be played inside and has been when the roof is closed in the Millennium Stadium in Cardiff where they presently have the only stadium for this type of sport which has a roof that can close. If the game did become inside it would require astro turf which can be somewhat more difficult to play on
It can be done because Cowboys Stadium has a retractable roof. So far, the Cowboys tend to keep the roof closed on most occasions.
Yes The new stadium does have a retractable roof, but the old stadium did not.
as long as it wants to
No, it does not. The new Yankee Stadium, like the old one, has no roof.
i stadium were there is no roof and it can snow inside.
No, its a retractable roof stadium.