A woman rides a bicycle with a placard reading "Climate for Peace" (L) as people hold hands to form a human chain, during a gathering called by ecologist organisation "Altenatiba" in Lyon, central-eastern France, on November 29, 2015, protesting against global warming a day ahead of the United Nations Conference on Climate Change (COP21) held in Paris. AFP PHOTO / ROMAIN LAFABREGUE / AFP / ROMAIN LAFABREGUE (Photo credit should read ROMAIN LAFABREGUE/AFP/Getty Images)
