An artillery piece on the Rue Des Rosiers, Montmartre, overlooking Paris, during the civil war between the Versailles government and the Paris Commune, following the Franco-Prussian war. (Photo by Hulton Archive/Getty Images)
An artillery piece on the Rue Des Rosiers, Montmartre, overlooking Paris, during the civil war between the Versailles government and the Paris Commune, following the Franco-Prussian war. (Photo by Hulton Archive/Getty Images)