Curious City: How do they clean the bean (Cloud Gate) in Millennium Park?

Curious City: How do they clean the bean (Cloud Gate) in Millennium Park? from WBEZ on Vimeo.

Curious citizen Tim Garibay wondered with all the folks molesting the bean sculpture in Millennium Park, how do they keep it clean?

The sculpture's official name is Cloud Gate, but after seeing this video you might think of it more as Germ Gate. Paul Dickens, who cleans the bean, advises people to not kiss it.

For more on this story, check out: curiouscity.wbez.org/#!/archive/question/214