Emotional Shift • Earth.com

Fortunately, over the years, Elissa had managed to get closer to Bobo as he grew into adulthood. She discovered that Bobo was really a sweet, loving creature with no desire to be aggressive. Despite his gigantic stature, Bobo was never violent with the other apes. That’s why his sudden change in behavior concerned staffers, who knew that trauma could pop back up at any time. Photo Credit: Murray Close / Getty Images

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