Activists protest during U.N. Climate Change Conference (COP25) in Madrid
Oxfam activists wear full head masks depicting Britain's Prime Minister Boris Johnson, German Chancellor Angela Merkel, French President Emmanuel Macron, Canada's Prime Minister Justin Trudeau and U.S. President Donald Trump as they protest at the venue for U.N. Climate Change Conference (COP25) in Madrid, Spain, December 10, 2019. REUTERS/Sergio Perez