the zebras are beautiful
the zebras are behind a fence
The backside of a zebra.
A zebra walking towards the fence.
A fence to keep the zebras in.
two zebras in a zoo 
it is a daytime scene 
a zebra whose head cannot be seen  
the zebra is standing
there are two zebras
zebras are beautiful
a couple of zebra standing next to each other in an enclosure at the zoo