An adult pet horse faces a Saint Bernard in an outdoor pet festival held in Los Angeles, March 15, 2009.[Xinhua/AFP]
![An adult pet horse faces a Saint Bernard in an outdoor pet festival held in Los Angeles, March 15, 2009.[Xinhua/AFP]](http://images.china.cn/attachement/jpg/site1007/20090317/000bcdb95f1d0b297cc905.jpg "An adult pet horse faces a Saint Bernard in an outdoor pet festival held in Los Angeles, March 15, 2009.[Xinhua/AFP]")