M. Sheahan:
Mars rover
M. Sheahan:
Girls at the New York Hall of Science
M. Sheahan:
At the Mars landscape
M. Sheahan:
More science
M. Sheahan:
Close up in the play area
M. Sheahan:
Snack break
M. Sheahan:
Emily gets a racial makeover
M. Sheahan:
More in the illusion room
M. Sheahan:
in the optical illusion room
M. Sheahan:
Moving on