Today on CNN 10, we look on as survivors and world leaders commemorate International Holocaust Memorial Day on the 80th anniversary of the liberation of the Auschwitz Concentration Camp. We also learn why one organization is putting the moon on its list of endangered places. And we find out what an infamously stinky flower smells like and why it's so rare to experience the stench in person. All this and more on today's CNN 10! 

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