Pro-democracy protesters wearing Guy Fawkes masks stand in front of an advertisement as they take a subway train to a protest site occupied by them as part of the Occupy Central civil disobedience movement in Hong Kong November 5, 2014, the day marking Guy Fawkes Night. Students calling for full democracy for Chinese-ruled Hong Kong are hoping to take their protest to Communist Party rulers in Beijing and are expected to announce details of their new battle plan on Thursday. (Photo by Bobby Yip/Reuters)

A police watches as participants in costumes hold burning torches during in one of a series of processions during Bonfire night celebrations in Lewes, southern England November 5, 2014. (Photo by Luke MacGregor/Reuters)

Protesters hold up their Guy Fawkes masks on the Liberty Bridge during a demonstration by supporters of the Anonymous movement as part of the global “Million Mask March” protests, in Budapest, November 5, 2014. (Photo by Bernadett Szabo/Reuters)

Participants in costumes hold burning torches as they take part in one of a series of processions during Bonfire night celebrations in Lewes, southern England November 5, 2014. The processions and bonfire mark the uncovering of Guy Fawkes' “Gunpowder Plot” to blow up the Houses of Parliament in 1605, and commemorate the memory of Lewes' seventeen Protestant martyrs. (Photo by Luke MacGregor/Reuters)

Protesters wear Guy Fawkes masks during a demonstration in San Francisco, California November 5, 2014. (Photo by Robert Galbraith/Reuters)

A protester dressed as a nun holds Guy Fawkes masks during a demonstration in San Francisco, California November 5, 2014. (Photo by Robert Galbraith/Reuters)

Activists, some wearing Guy Fawkes masks, debate with commuters during a demonstration in Union Square in Manhattan, New York November 5, 2014. (Photo by Adrees Latif/Reuters)

Participants in costumes hold burning torches as they take part in one of a series of processions during Bonfire night celebrations in Lewes, southern England November 5, 2014. (Photo by Luke MacGregor/Reuters)

Protesters wearing Guy Fawkes masks stand in a park in downtown Belgrade November 5, 2014. (Photo by Marko Djurica/Reuters)

Members and supporters wearing Guy Fawkes masks depart the U.S. Capitol in Washington November 5, 2014. (Photo by Gary Cameron/Reuters)

Children sit on their parents' shoulders as they watch a bonfire night firework display at Roundwood Park in northwest London November 5, 2014. The fireworks display is one of many across the country which marks the uncovering of Guy Fawkes' “Gunpowder Plot” to blow up the Houses of Parliament in 1605. (Photo by Suzanne Plunkett/Reuters)

Children react as they celebrate Guy Fawkes day in Soweto, South Africa, on November 5, 2014. (Photo by Siphiwe Sibeko/Reuters)

A pro-democracy protester wearing a Guy Fawkes mask holds up a sign as he walks in central Brussels November 5, 2014. (Photo by Francois Lenoir/Reuters)

Police officers check the identity papers of a protester wearing a Guy Fawkes mask during a protest on Grand Place in Brussels November 5, 2014. (Photo by Francois Lenoir/Reuters)

A protester wearing a Guy Fawkes mask sits below Knez Mihajlo's monument in downtown Belgrade November 5, 2014. (Photo by Marko Djurica/Reuters)

Protesters wearing Guy Fawkes masks sit on a bench in a park in downtown Belgrade November 5, 2014. (Photo by Marko Djurica/Reuters)

Protesters wearing Guy Fawkes masks walk along a street in downtown Belgrade November 5, 2014. (Photo by Marko Djurica/Reuters)

Protesters wearing Guy Fawkes masks pose for a picture in a park in downtown Belgrade November 5, 2014. (Photo by Marko Djurica/Reuters)

Pro-democracy protesters wearing Guy Fawkes masks rest on a road blocked by Occupy Central in Mongkok shopping district, Hong Kong November 5, 2014. (Photo by Bobby Yip/Reuters)

Protesters wearing Guy Fawkes masks stand in a park in downtown Belgrade November 5, 2014. (Photo by Marko Djurica/Reuters)