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September 2010, Hainan, China
April 2011, High Atlas, Morocco
March 2013, Barcelona, Spain
December 2013, Stockholm, Sweden
June 2014, Toronto, Canada
August 2017 Reykjavík, Iceland
February 2018, Birgu, Malta
July 2018, Oslo, Norway
September 2018, Lyon, France
December 2018, Brussels, Belgium
