three large white rocks
black and white zebra grazing in the sand
Zebra with its head down 
black and white zebra in dirt field 
pile of grey rocks on ground 
gray stones next to zebra
a brown stone in front a zebra
zebra standing on dirt field 
pile of grey rocks 
large rocks in front of the zebra
black and white zebra
zebra investigating the rock on the ground 
four large rocks in the middle of the zebra cage 
zebra rooting around the ground for food
a zebra in an enclosure eating at a rock in front of some branches