Hello, this is my very first official Permies post

I could not find a similar topic, so hopefully this is not a duplicate.
I have been trying to find a way to upcycle a stainless kitchen sink (double basin).
We have a large garden, no livestock.
What I was really hoping for is to make some sort of in-ground micro-pond for wildlife, but don't know if this is feasible or ever been done. Our soil is mostly clay and we get plenty of rain, zone 6B if that matters. We also have lots of stones and a stream to collect water from (or ways to collect rainwater) to fill the pond.