Despite his mental disorder, Mario had been working at the zoo for 25 years. Before he was diagnosed with a brain tumor and put into the hospital, he wanted to say goodbye to his favorite giraffes. These smart animals came to him and kissed him. Post navigation 15 Amazing Animals You Would Love to Have Think Twice Before Adopting a German Shepherd – 10+ Funny Drawbacks of This Mischievous Breed 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24