Translation of Gesäß

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.
Regretably they are fighting at the wrong 'frontline'. They are fighting there because there they can win. Nothing gets solved though. One needs to tackle the real issues and not flee for political reasons.
It was fantastic to see that each ice berg had its own form and color. Unfortunately we could not reach all galciers, some were blocked by their own ice breaking off and floating in the lake.