A firefighter helps a young girl put out a fire using a fire hose. The activity was part of a demonstration on fire prevention and safety held during DASTOW on June 23. More images of the DASTOW events are available online. Photo: Cindy Arnold
Fermilab’s Jerry Zimmerman, also known as Mr. Freeze, performs his cryogenics show for children during this year’s bring your daughter and sons to work day on June 23. Photo: Cindy Arnold