erosion
stones and fast flowing water can block the water from flowing
rapids
Whitewater.
rapids
Some dangers of going on a water fast are: Headaches, hunger, dizziness, nausea, bad breath, blackouts, tiredness, weakness, emotional, blood pressure and pulse problems.
Rapids
Rapids
Bigger.
Surging. Rushing. Roaring. Shooting.
White water rafting.
Dip tube failure approachng fast
Just try it so you'll know