A large molded bust of Edward Snowden is pictured in Fort Greene Park at the Brooklyn borough of New York in this April 6, 2015 picture provided by ANIMALNewYork. A group of anonymous artists erected the 4-foot-tall bronze statue of Snowden, the former U.S. spy agency contractor famous for leaking classified information, in a New York City park overnight, officials said on Monday. (Photo by Aymann Ismail/Reuters/ANIMALNewYork)

A large molded bust of Edward Snowden is pictured in Fort Greene Park at the Brooklyn borough of New York in this April 6, 2015 picture provided by ANIMALNewYork. (Photo by Aymann Ismail/Reuters/ANIMALNewYork)

A large molded bust of Edward Snowden is pictured in Fort Greene Park at the Brooklyn borough of New York in this April 6, 2015 picture provided by ANIMALNewYork. (Photo by Aymann Ismail/Reuters/ANIMALNewYork)

New York City Parks workers work to remove a covered large molded bust of Edward Snowden at Fort Greene Park in the Brooklyn borough of New York April 6, 2015. (Photo by Brendan McDermid/Reuters)

New York City Parks workers work to remove a large molded bust of Edward Snowden in Fort Greene Park at the Brooklyn borough of New York April 6, 2015. A group of anonymous artists erected a 4-foot-tall bronze statue of Edward Snowden, the former U.S. spy agency contractor famous for leaking classified information, in a New York City park overnight, officials said on Monday. By noon on Monday, park officials had covered the statue with a blue tarp. (Photo by Brendan McDermid/Reuters)

New York City Parks workers work to remove a large molded bust of Edward Snowden at Fort Greene Park in the Brooklyn borough of New York April 6, 2015. (Photo by Brendan McDermid/Reuters)

New York City Parks workers work to remove a large molded bust of Edward Snowden at Fort Greene Park in the Brooklyn borough of New York April 6, 2015. (Photo by Brendan McDermid/Reuters)

New York City Parks workers work to remove a large molded bust of Edward Snowden at Fort Greene Park in the Brooklyn borough of New York April 6, 2015. (Photo by Brendan McDermid/Reuters)

People gather around a large molded bust of Edward Snowden at Fort Greene Park in the Brooklyn borough of New York April 6, 2015. (Photo by Brendan McDermid/Reuters)

People gather around a covered large molded bust of Edward Snowden at Fort Greene Park in the Brooklyn borough of New York April 6, 2015. (Photo by Brendan McDermid/Reuters)