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Avid royal fans won’t want to miss the new documentary, Prince William: A Planet for Us All, which is now streaming on Discovery+.

The documentary follows Prince William‘s journey to becoming an “advocate for the natural world and highlight the pioneering work of many local and global heroes.” Following the Duke of Cambridge over a period of two years, the documentary is narrated by David Oyelowo, and explores conservation efforts across the world, visiting Africa, Asia, and the United Kingdom.

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During a visit to a school in Liverpool, England, Prince William decided to answer questions from the children he met. One savvy child asked, “Is Princess Charlotte cheekier than Prince George?” Clearly, the world wants to know the answer to this particular question. Without missing a beat, William replied, “No, they’re about as cheeky as each other. They’re very cheeky.”

William also received a tour of “Bugingham Palace” while visiting the school, and it’s clear that the students were elated with their royal visitor.

Per Discovery+, “Growing up, The Duke of Cambridge always had a deep connection with the natural world, a passion he now shares with his children. Inspired by fatherhood, he has gained a different outlook on life, one that drives his will to continue The Royal Family’s advocacy and support towards the protection of the Earth.”

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Per Us Weekly, William was shown 43,000 Tanzania tusks in a storage container during filming. Devastated, the prince said, “It’s just a mind-blowing number of tusks. It really is. It’s like a head grinder … It’s a really weird feeling. It’s kind of, when you try and visualise how many elephants were attached to these tusks, that’s when it gets really quite scary. I’ve never seen anything quite like it.”

This article originally appeared on Harper’s BAZAAR US.