This slide was acquired in a box labelled "British Zoos" at a Chester antiques shop. The slide is dated August 1973.
At first glance, the concrete is very reminiscent of London's 1965 elephant house, but there a number of things that don't fit:
1) The walls are too low
2) The vegetation growing on top of the walls
3) The wood and concrete barrier separating the enclosures
4) The rocks set in concrete at the top of the moat
5) The public hand rail
Did another zoo build an elephant enclosure between 1965 and 1973 and copy the London concrete finish?
Any thoughts?