There are lots of things we do that aren’t mathematics. For example, if you come to HCSSiM, you’ll hike this entire mountain range:

We also take a trip to Boston,

and often a trip to Tanglewood.

Here’s a proof of the Fundamental Theorem of Algebra:

Sometimes we go to Kelly’s house (he’s the director)

to play with puzzles and dogs.

Students have a talent show:

Sometimes they have paper-tower-building contests…

or make polyhedra from string.

And what summer program would be complete without the occasional trip for ice
cream?