Elephants are known to mourn their dead, but it turns out they will often put themselves in harms way to help another animal as well. Pictured above is the beautiful story of Tarra and Bella, best friends despite their stature. When the dog, Bella sadly passed away, Tarra found Bella and carried her back home to bury her. Amazingly, as Tarra was grieving, the other elephants gathered around, bringing food to comfort her. Watch the the full story.