Translation of afgano

I really worry about the health of obese people, especially the ones that I know in person (friends, relatives), because it is well known that overweight have a higher probability of heart attack.
Right after desert it started to rain and it poured so that the entire camp got flooded. A few minutes later the electricity disappeared because of the water and we were sitting in the dark.
In order to get to this hidden lake one would have to row beneath a cave. On the other side of the cave the five of us were alone. The lake was surrounded by limestone mountains covered with tropical trees.