Man's Hobby Terrifies Everyone Else

Spelunking is the activity of exploring and navigating caves and other underground structures. It is also commonly known as caving or potholing. Spelunking involves descending into and exploring natural underground caves, as well as man-made structures such as mines, tunnels, and catacombs.

Most people would never try it even if they were paid to do so. Watch one man's terrifying experience below: