A protester holds a poster reading "Eco crisis" as she takes part in a climate change protest march in Madrid, Spain.06.12.2019#6097842
An ingenious woman burns incenses during a climate change protest march in Madrid, Spain.06.12.2019#6097835
Climate change activist Greta Thunberg, centre, addresses the audience during a news conference before a climate change protest in Madrid, Spain.06.12.2019#6097833
Climate change activist Greta Thunberg is pictured on a camera screen as she attends a news conference before a climate change protest in Madrid, Spain.06.12.2019#6097832
Climate change activist Greta Thunberg addresses the audience during a news conference before a climate change protest in Madrid, Spain.06.12.2019#6097830
Climate change activist Greta Thunberg addresses the audience during a news conference before a climate change protest in Madrid, Spain.06.12.2019#6097829
Climate change activist Greta Thunberg attends a news conference before a climate change protest in Madrid, Spain.06.12.2019#6097825
