From looking at images of the carnivore immersive exhibits at Bioparc Valencia, I became curious of what barriers are used to stop carnivores (notably lions and hyenas, but also others such as meerkat) from leaving their enclosure - this was unclear in the images.
I also noted the lion enclosure overlooks ungulate enclosures - what barrier is used here?
I also noted the lion enclosure overlooks ungulate enclosures - what barrier is used here?

