Even though glass walking is possible, it's still a dangerous activity.

This was probably one of the most dangerous activities in which a man could engage.

Some people spend a lot of money or get involved in dangerous activities when they are manic.

It can be a dangerous activity, depending on the circumstances.

No one under 16 may be employed in manufacturing or any dangerous activity.

This was quite a dangerous activity and resulted in many deaths.

It is a dangerous activity, and care should be taken by those who wish to participate.

Driving is a very dangerous activity and in no way a civil right.

Mountaineering is considered to be one of the most dangerous activities in the world.

A person can consent to dangerous activities such as sport and surgery.