college.library:
Working on the curtain wall
college.library:
Scaffolding on Helen C.
college.library:
Going up ...
college.library:
Men on scaffolding
college.library:
A Face-Lift for Helen C.
college.library:
Scaffolding and more ...
college.library:
Work on the building's "Curtain Wall"
college.library:
Exterior Construction
college.library:
Work on the "Curtain Wall"
college.library:
West Stairwell Construction
college.library:
Removing the "Curtain Wall"