Today on CNN 10, we take you to the largest gypsum dune field in the world and find out what makes the geological feature so unique. We'll also learn what type of humanitarian aid has been allowed into war-torn Gaza this week, before getting an update on the fight to protect the manatee's food source in a Florida lagoon. And we'll find out how one teen is going to great heights to raise awareness for pediatric cancer research. All this and more on today's CNN 10!

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