British professor Guy Standing speaks during the event organised by the New Putney Debates group for the anniversary of the Charter of the Forest in Windsor, United Kingdom on September 17, 2017. Thomson Reuters Foundation/Claudio Accheri

British professor Guy Standing speaks during the event organised by the New Putney Debates group for the anniversary of the Charter of the Forest in Windsor, United Kingdom on September 17, 2017. Thomson Reuters Foundation/Claudio Accheri

British professor Guy Standing speaks during the event organised by the New Putney Debates group for the anniversary of the Charter of the Forest in Windsor, United Kingdom on September 17, 2017. Thomson Reuters Foundation/Claudio Accheri

Participants to the event organised by the New Putney Debates read about the history of the Charter of the Forest in Windsor, United Kingdom on September 17, 2017. Thomson Reuters Foundation/Claudio Accheri

Participants to the event organised by the New Putney Debates group discuss about the history of the Charter of the Forest and the current situation of common resources in UK. Runnymede, United Kingdom, September 17, 2017. Thomson Reuters Foundation/Claudio Accheri