Five students stand in pairs with their backs to the blackboardFive students stand in pairs with their backs to the blackboard
A curious pair of penguins on the edge of the jungleA curious pair of penguins on the edge of the jungle
A pair of red macaw parrots are looking in the same directionA pair of red macaw parrots are looking in the same direction
Silhouettes of a pair of grazing horses in the fogSilhouettes of a pair of grazing horses in the fog
A pair of harnessed horses run in the winter forestA pair of harnessed horses run in the winter forest
Two girls hold each other's buttocks with their backsTwo girls hold each other's buttocks with their backs