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The statues were placed by a group called INDECLINE, an activist collective that says it's vehemently against Trump becoming president.
The group put a plaque at the bottom of each life-size statue that says "the emperor has no balls."
That title seems to go along with how the statue was designed, as some parts of male genitalia seem to be missing.
The statues, which were made by an artist in Cleveland, appeared in these other cities: Seattle, Cleveland, San Francisco and Los Angeles.
RELATED: Nude statue of Donald Trump pops up in Los Angeles
The statue at Union Square Park in Manhattan drew significant attention, with many people gathering around to take photos. But it was removed rather quickly by the parks department.
Watch video below to see a parks staffer removing the statue and throwing it in the back of a truck.
WARNING: GRAPHIC VIDEO OF NUDE STATUE
The New York City Parks Department issued a statement Thursday, saying "NYC Parks stands firmly against any unpermitted erection in city parks, no matter how small."
Mayor Bill de Blasio was asked about his thoughts on the statue.
"That is a frightening thought," de Blasio said. When he's wearing clothes I don't like him. I can only imagine what he's like without clothes."
De Blasio added, "of course we are not going to let people put up ad hoc statues."
Trump's campaign has declined to comment on the statues.
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