1 | How do they avoid obstacles? | |
2 | It appears a Ferrari has collided with a barrier in the tunnel. | |
3 | Each level places the ball in a different place with obstacles in your way. | |
4 | Well, blind humans sometimes seem to have an uncanny sense of obstacles in their path. | |
5 | They hunt at night, and cannot use light to help them find prey and avoid obstacles. |