PHOTOS: Under the big top: Ringling Bros. through the years

PHOTOS: Under the big top: Ringling Bros. through the years
PHOTOS: Under the big top: Ringling Bros. through the years
PHOTOS: Under the big top: Ringling Bros. through the years
PHOTOS: Under the big top: Ringling Bros. through the years
PHOTOS: Under the big top: Ringling Bros. through the years
PHOTOS: Under the big top: Ringling Bros. through the years
PHOTOS: Under the big top: Ringling Bros. through the years
PHOTOS: Under the big top: Ringling Bros. through the years
PHOTOS: Under the big top: Ringling Bros. through the years
PHOTOS: Under the big top: Ringling Bros. through the years
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PHOTOS: Under the big top: Ringling Bros. through the years
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Blind children standing on a sidewalk, one is sitting on the back of a kneeling elephant from the Ringling Brothers Circus, Chicago, Illinois, April 20, 1917. From the Chicago Daily News collection. (Photo by Chicago History Museum/Getty Images)