picture is @ least several decades old; cage is too small, it annoys the animals itself.
.....perhaps thats why the giraffes are so lean. they could use a hayburger or two or seven
A photo of animal cages
Two giraffes are in this cage
The giraffes are behind the bars
giraffe standing behind metal gate
giraffe standing behind gate
two giraffes standing next to each other
wooden wall behind giraffes
metal gate in front of giraffes
concrete ceiling above giraffes
black and white photo.
two giraffes are visible.
fence in front of giraffes.
the giraffes have spots.
the fence is metal.
Two giraffes in a cage. 
Picture was taken in black and white. 
a black and white photo of a couple of giraffes in a cage