the zebra is grazing 
the animals are in the zoo
A pair of zebra in captivity
Two zebras are together.
the zebras are in an enclosure
a roof is on pilings for the zebras
the enclosure has dirt and small branches on the ground
Zebra on the right looking for food 
Zebra on the left looking for food 
Two zebras standing on the ground together.
Two black and white zebras standing. 
Dirt is on the ground where the zebras are standing. 
the zebra has its head down
the man is standing behind the zebras
the zebras near the structure
the sticks on the ground
couple of zebras grazing on some dirt in an enclosure at a zoo