In Neolithic times these were often created as burial sites. Nowadays, a man with a cowhide sphere stands atop one while thousands watch him perform feats of strength, precision and baffling physics, and another man threatens him with a stick.

I may tame your hair With a buzz and a glide, Or outrun the storm With the wind at my side. What am I?

I strike gold in rivers without taking a step. I sweep across a scene without moving an inch. I sit on a stove, held by a handle, shaping what you make. What single word connects them? What am I?

This manmade item is how humanity sees through walls!

When you go to the beach, you sink your feet in the coolness of this, or run for your life to find shade on hot days.