Why do you think people undertake such adventurous expeditions in spite of the risk involved?

Explanation

The spirit to experience unique elements of nature, undaunted passion and willingness to accept challenges drive people to take up adventurous expeditions. The people who involve themselves in such activities are very well aware of the risk involved in them.
But due to their passion and enthusiasm to do something unique and great, they willingly accept such challenges. Also, their desire to be in the lap of nature and experience its beauty pushes them to such expeditions.