Contortionist performing on the downtown mall in Boulder, Colorado, squeezes himself into a small, clear, plastic box.

Contortionist performing on the downtown mall in Boulder, Colorado, squeezes himself into a small, clear, plastic box.

Contortionist performing on the downtown mall in Boulder, Colorado, squeezes himself into a small, clear, plastic box.

Contortionist performing on the downtown mall in Boulder, Colorado, squeezes himself into a small, clear, plastic box.

Contortionist performing on the downtown mall in Boulder, Colorado, squeezes himself into a small, clear, plastic box.

Contortionist performing on the downtown mall in Boulder, Colorado, squeezes himself into a small, clear, plastic box.

Contortionist performing on the downtown mall in Boulder, Colorado, squeezes himself into a small, clear, plastic box.

Contortionist performing on the downtown mall in Boulder, Colorado, squeezes himself into a small, clear, plastic box.

Contortionist performing on the downtown mall in Boulder, Colorado, squeezes himself into a small, clear, plastic box.

Contortionist performing on the downtown mall in Boulder, Colorado, squeezes himself into a small, clear, plastic box.

Contortionist performing on the downtown mall in Boulder, Colorado, squeezes himself into a small, clear, plastic box.

Contortionist performing on the downtown mall in Boulder, Colorado, squeezes himself into a small, clear, plastic box.

Contortionist performing on the downtown mall in Boulder, Colorado, squeezes himself into a small, clear, plastic box.

Contortionist performing on the downtown mall in Boulder, Colorado, squeezes himself into a small, clear, plastic box.