I was taking a picture of something else, but Blackie was so relaxed after getting a little attention he couldn’t contain himself. What I want to know is, how can one cat make a mess so stinky?

Blackie fertilizes the pea gravel
I was taking a picture of something else, but Blackie was so relaxed after getting a little attention he couldn’t contain himself. What I want to know is, how can one cat make a mess so stinky?
Blackie fertilizes the pea gravel