A flag 'flies' in front of the building. = There is a flag 'flying' in front of the building.
The restaurant 'made a flying start' by filling up on opening night.
After some difficult years, the company is 'flying high' again.
(..) It was so weird. He'd never heard it before. Then it really got crazy 'cause the water started flying out, And all this commotion started happening. And out of the water Came the carving. (..)1993 Free Willy