Invent recycled building material from concrete, plaster, paint, wallpaper, and stone.

Don't laugh, that was a really nice piece of work. I had to leave my mark on the wall as well.

Don't laugh, that was a really nice piece of work. I had to immortalize myself on the wall as well.

...as if I would ever dare to do that.....it was supposed to represent a face distorted by pain. As the OP professionally noted and thus excluded for himself: "Labor-intensive"! - But now with your own signature... who else has that.

Generations have built on the wall. Physically, renovation is not that exhausting. It takes time and is a learning process. Next year, the old basement will be done.

Do you mean kärchern might work?

Brute force is more like the king's substitute method for leaf blowers.