Let’s Take a Silly One!
This loving family went on a group camping trip. They wore the correct clothes, brought the correct equipment, and were essentially having the best time, so they chose to take a silly family picture as a memento.

Source: ash.com
Except it seems like one family member wasn’t super excited about being outdoors and chose to let it be known. Or at least be petty about how he felt and go the opposite direction of the silly theme. He must be a riot at parties.