The rise of Hollywood in the 1920s would have been slowed if, as previously, theatres had needed to close in hot weather. Reminds me of a movie theater were I

The rise of Hollywood in the 1920s would have been slowed if, as previously, theatres had needed to close in hot weather. Reminds me of a movie theater were I grew up that had no roof at all just open sky above. Obviously only good for night time at summer.