An Adorable 3-year-old Just Became the Youngest Person to Summit This 10,000-foot Mountain

In July, the Houlding children became world record holders after summiting the Piz Badile mountain, a 10,000-foot mountain that sits on the border of Switzerland and Italy. Oh, and on an important note, Freya is just seven years old and her little brother Jackson is just three. Yes — three years old.