39K views | Reel by Olympics

Allyson Felix has made more history at the Olympic Games Tokyo 2020. She managed to overtake Carl Lewis as the USA's most decorated track and field athlete in Olympic history. In her fifth Games, the 35-year-old American has taken her tally to 11 medals which leaves her as the most decorated woman in Olympic track and field history, and with more athletics medals than any other American. With bronze in the individual 400m, Felix broke her tie for most women's Olympic athletics medals with Merlen

5.6M views · 92K reactions | In 2004, a large earthquake in the Indian Ocean triggered the largest tsunami in recorded history. One of the countries hit by the tsunami was Sri Lanka, where the wave caused one of the worst train disasters in human history when it hit the Queen of the Sea passenger line, which was carrying 1,500 passengers along Sri Lanka's west coast. Watch Destruction Decoded on Wednesdays at 8pm on National Geographic UK. | National Geographic UK | Facebook