Protestor wearing Guy Fawkes mask, trademark of the Anonymous movement and based on a character in the film V for Vendetta, Paris, France, Europe

Protestors wearing Guy Fawkes masks, trademark of the Anonymous movement and based on a character in the film V for Vendetta, Paris, France, Europe

Pair wearing Flinserl costumes, spring figures of the Ausseer carnival, Carnival in Bad Aussee, Ausseerland, Salzkammergut, Styria, Austria, Europe, PublicGround

People wearing Flinserl costumes, spring figures of the Ausseer carnival, Carnival in Bad Aussee, Ausseerland, Salzkammergut, Styria, Austria, Europe, PublicGround

Mask in evening light at the carnival, Venice, Italy

Mask, Carnevale, carnival in Venice, Veneto, Italy, Europe

Memorial Interallie, memorial for the victims of the World Wars, the monument of Greece, Liege, Wallonia, Wallonie, Belgium, Europe

Painting, mural, completely veiled people wearing breathing masks or gas masks, Berlin Wall, East Side Gallery, Berlin, Germany, Europe

Hacker with an anonymous mask with a computer and making a fight symbol, with a background of smoke and colored leds

Hacker with anonymous mask with a symbol of fight, with a background of smoke and colored led

Street artist in Copenhagen, Denmark, Europe