11.   Suddenly the birds changed direction.

12.   The horse abruptly changed direction, nearly throwing the rider off.

13.   The company has had to change direction because of developments in technology.

14.   He changed direction swiftly, turned into the hallway and headed her off.

15.   They threatened to walk out if the party did not change direction.

16.   The dancers pivoted on their toes and changed direction.

17.   The wind changed direction and started blowing in our faces.

18.   These and other changes contribute to orientation illusions, such as a feeling that the body or the spacecraft spontaneously changes direction.

19.   We had to change direction.