The stadiums in Qatar 2022 were air-conditioned. I guess it should be possible to have outdoor cooling if you throw the heat away from the seating space. In Mi

The stadiums in Qatar 2022 were air-conditioned. I guess it should be possible to have outdoor cooling if you throw the heat away from the seating space. In Minneapolis, there used to be outdoor heating for restaurants in the middle of the winter. They used to be pretty warm enough for people to sit outside, no idea how costly it was.