Earlier this year, Princess Kate embarked upon the Three Peaks Challenge in order to raise money for the Royal Marsden Cancer Charity , where she received cancer treatment . Now, the Prince and Princess of Wales have shared a new photo taken after Kate completed the physical test, which shows their three children— Prince George , Princess Charlotte , and Prince Louis —looking more grown up then ever.

Sharing the post on Instagram , the caption drew attention to Mountain Rescue Awareness Day and all of the people that keep climbers and hikers safe.

In the photo, Princess Kate and Prince William posed with a large team of people, as well as their three children, in front of a lush green landscape.…