Looking and laughing at the almost continous performance staged by inhabitants of Riverdale zoo monkey house, these youngsters, all about three years (...)

Original Toronto Star caption: Looking and laughing at the almost continous performance staged by inhabitants of Riverdale zoo monkey house; these youngsters; all about three years old and all about the same height; are lined up as close as they can get to the cage. Now that spring is here; the zoo inhabitants spend more time outside; have more room to pace around