How to use "dangers" in a sentence

This is one of the dangers of hiking in canyon country

However, the next day there was no report in the newspapers except one small note in the Daily Telegraph, and the world knew nothing of one of the greatest dangers that ever threatened Earth.

In the evening many people came hurrying along the road near their stopping-place, escaping from unknown dangers and going in the direction from which my brother had come.

"Please know that I know about the dangers," she wrote