The first thing I thought was urinal ... but then I don't know ... really?? The pic isn't close enough to see what's on the ground there ... from here it looks like a litter box with sand or something.
The first thing I thought was urinal ... but then I don't know ... really?? The pic isn't close enough to see what's on the ground there ... from here it looks like a litter box with sand or something.
Bingo!
It's a rock floor with a drain. The back wall turns into a waterfall at the appropriate times.
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Hebrews 13:23 Know ye that our brother Timothy is set at liberty