Confirmed my suspicions as to why its been so little used ever since it was built. One modification might be to make one stall a 'dry' one to avoid some of these dangers, but maybe that is not so easy with the water flow etc. What a terrible design flaw..
Much like in the Hippo house where the drains flow upwards!
Never was the saying “the worst animal in a zoo is an architect” more appropriate to ZSL! I’d love to know how they choose their architects/designers...Pin the Tail on the Donkey Id imagine.