Idk, still a waste of a (presumably) perfectly good shirt. Rather use those old underpants from the bottom of the drawer. Maybe wear them before if it's for ICE.
They will fill it up with water once they are done mining. It'll take about 40 years to fill though, between ground water and extracting water from the Rhine river.
And then the next government takes those good things, which they have massively decried when they were the opposition, only to reimplement the exact same thing with a slightly modified name.
Ich hätte aber auch keine Lust mit einem Egomanen an seinem Geburtstag zu verhandeln