a wild, raging rapid
Our guide told us that running the Zambezi during the rainy season is somewhat terrifying. You can't even run the first half of the trip I did in August, and once you get to the high water put-in, there are lots of whirlpools that pop up around those rocks.
The Zambezi is in flood stage right now, and 45,000 people downriver in Mozambique have fled their homes to escape the rising waters. It could get much worse before it gets better.