REMOVE

1. Olmsted, Frederick Law , Sr.

WHAT

1. architecture (object genr … (2)
2. exhibitions (events) (1)
3. landscape architecture (1)
4. parks (recreation areas) (1)
5. world's fair (1)

WHERE

1. Chicago, Illinois (1)
2. Illinois (state) (1)
3. New York (state) (1)
4. New York, New York (1)

WHO

1. Burnham, Daniel Hudson (1)
2. Vaux, Calvert (1)

WHEN

1. 19th century (2)
2. Neoclassical (1)