Remove sink - tile broken?

You can see the screw connection if you lie underneath it.

The joint between the sink and the tiles is filled with gray grout. If you remove the sink, you have to pick off the material from the tiles. Whether this can be removed well again?

It is a silicone seam and not a joint. Silicone can usually be completely removed from the tiles.

With us, there would be several holes because everyone thought carefully but the client thought better - and the pool had to be moved another 10 cm. ;-) But in an emergency, you can always reinstall it or stick decorative elements on the wall...

But if necessary, you can just put it back up or stick decorative elements on the wall...

A few Pril flowers? ;)

Yes :-D

Or these slides that exist for tiles or a towel holder or...