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September 2010, Hainan, China
July 2013, Helsinki, Finland
August 2013, Stockholm, Sweden
October 2013, London, UK
May 2014, Chichen Itza, Mexico
June 2015, Lyon, France
August 2017, Hafnarfjörður, Iceland
July 2018, Bergen, Norway
August 2018, Paris, France
December 2018, Brussels, Belgium
