This story and the photos have touched the hearts of millions since the story hit the internet last week. At first came the news from a German zoo that one of their female gorillas, Dian, had given birth to twins - something rare for gorillas. But two days later one of the baby twins was dead. Frankfurt Zoo, Frankfurt, Germany, September 15 to 17, 2015. Set 1. 1. Dian with her newborn twins 2. 3. The female twin that died 2 days later. 4. Dian picks for food, one twin and one alive in her arms.