GALLERY OF PHOTOS — click a thumbnail for a larger version    Oberlin College Science Center
	The new walls are mostly sandstone, with steel at the roof level.  Multiple silver-colored chimneys give a slightly industrial look to the complex, although they're relatively inconspicuous because they reflect the color of the sky.  These exhaust vents are especially needed for the chemistry labs, where each work station is enclosed with a hood to remove noxious gases.