Had to fix a few wet rooms like this

[Blunt Tool]

fixed a few wet rooms like this

 

[Dan]

I have grids in my street like that lol

 

[Old Mod]

Must have taken ages
for you to get those falls right!😛

 

[Kevbos]

Lol that looks like a basement pool I was asked to tile .I said the pool needed filling after not during installation .