CW Detroit Meet Your Best Friend At The Zoo - Photo Gallery May 21, 2012 / 1:10 PM EDT / CBS News DSC_0013 DSC_0017 DSC_0018 DSC_0022 DSC_0023 DSC_0024 DSC_0026 DSC_0028 DSC_0029 DSC_0031 DSC_0032 DSC_0033 DSC_0034 DSC_0036 DSC_0037 DSC_0038