![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg-WEGoEGMVxrA6tlXehjinHEBZhyphenhyphenjfbYZL_RgFIS4Z8Y9WAJZzmq3cSj1zoHB5MWnFW7PmSbVCNZ0iPU2hh4MrGCdE9lGcViexVIMDxnD82Y_KqBtCtPqN5Q9dDUK-yKx-eyxL-BwUzr1F/s400/A+keeper+brushes+a+hippo%27s+teeth+at+the+Shanghai+Zoo+1.jpg)
A keeper brushes a hippo's teeth at the Shanghai Zoo November 3, 2010. The hippo has its teeth cleaned three times a week to reduce the chance of mouth diseases, local media reported. Picture taken November 3, 2010.
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEic7ZMQ013TVk3k0QQkEdMQNnd0q-_Q-FiLCZ6zRRGOD3hIoo_Q-pdj9RQxRbgA2GDFEJC5krYaGDxtctKK7Q_EkvxRD4z1MFEZSMPqVI4s4MN73vZIasveq-OHIh-EXh0fX6-2QrqEMYms/s400/A+keeper+brushes+a+hippo%27s+teeth+at+the+Shanghai+Zoo+2.jpg)
A keeper brushes a hippo's teeth at the Shanghai Zoo November 3, 2010. The hippo has its teeth cleaned three times a week to reduce the chance of mouth diseases, local media reported. Picture taken November 3, 2010.
source :daylife
photo: Reuters photo