BBC has preiously reported that hippopotamus (hippos) is named as the deadliest large land mammal on earth as it kills around 500 people annually in Africa. This sharp-teeth animal is naturally aggressive.


BBC noted that at up to 2,750kg hippos can crush a human to death. In the video below as posted on Twitter, however, you can see a man casually brushing the teeth of a hippo. Not even a hint of fear can be seen.


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