A Chihuahua is dressed up in an outdoor pet festival held in Los Angeles, March 15, 2009.[Xinhua/AFP]
![A Chihuahua is dressed up in an outdoor pet festival held in Los Angeles, March 15, 2009.[Xinhua/AFP]](http://images.china.cn/attachement/jpg/site1007/20090317/000bcdb95f1d0b297ca003.jpg "A Chihuahua is dressed up in an outdoor pet festival held in Los Angeles, March 15, 2009.[Xinhua/AFP]")