Warsaw, Poland, 04-18 August 2019

 

Cheryomushki, Khakassia, Russian Federation, 12-24 August 2018

 

Tucson, Arizona, USA, 12 May-02 June 2017

 

Kahramanmaraş, Turkey, 10-25 June 2014

 

Abakan, Siberia, Russia, 05-19 August 2013

 

Valsain, Spain, 13 August-3 September 2012

 

Kiato, Greece, 11-20 July 2011

 

Istanbul, Turkey, June, 2008