It's interesting to see the increasing use of glass barriers in giraffe houses. Prague and Dresden also use this in their new buildings and I think it is also used in the much older building in Antwerp, does anyone know of any others?
Are there any hot wires to prevent giraffes from approaching the glass?
Males can kick it, or bash with head. Even the strongest triplex may eventually give a crack.
Frankfurt I think have a glass viewing area for black rhino. And am I correct in thinking that Vienna have glass windows inside the elephant house? Although there might be another barrier.
