epa04697104 Unionized workers wave flags from France’s main labor union, CGT, as they take part in a protest march against austerity measures affecting working conditions, salaries and pension plans, in Paris, France, 09 April 2015. Labor unions called for anti-austerity measure protests coinciding with strike action amongst air traffic control workers across French airports, France’s national public radio service Radio France, as well as employees working at the Eiffel Tower — causing the monument to be closed to the public. EPA/IAN LANGSDON