REMOVE

1. 71 South Wacker Drive

WHAT

1. buildings; multistory bui … (5)
2. glass; steel (5)

WHERE

1. site: Chicago, Illinois, … (5)

WHO

1. Henry Nichols Cobb (Ameri … (5)

WHEN

1. 2002-2005 (creation) (5)
2. Modernist; Twenty-first c … (5)