This could be an animal water trough. Maybe it is a blacksmith’s steel cooling bath. Maybe it’s a planter that has just been neglected and has gathered some rainwater.
![](https://www.killerroo.com/wp-content/uploads/2023/01/WaterTrough-2.jpeg)
![](https://www.killerroo.com/wp-content/uploads/2023/01/WaterTrough-4.jpeg)
![](https://www.killerroo.com/wp-content/uploads/2023/01/WaterTrough-3.jpeg)
![](https://www.killerroo.com/wp-content/uploads/2023/01/WaterTrough-1.jpeg)
It’s nearly impossible to see under anything but the brightest lights, but that is a blue-tinted translucent coating to make “water”… or more accurately, gross dirty water.