1998: Symposium "Grünzeit", Darmstadt
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1998: Holzbildhauersymposium in Hojer, Dänemark
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1999: Künstlersymposium "Tulipamwe" in Windhoeck, Namibia
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2000: International Invironment Art Symposium "Nine Dragon Heads" in Seoul, Korea
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2000: International Invironment Art Symposium "Gaya 2000" in Haman, Korea
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2000: Worldwide Tree Sculpture Festival in Blockhus, Dänemark
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2000: Pusan International Contemporary Art Festival in Pusan, Korea
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2001: 13th International Woodeaving Symposium in Kemijärvi, Finnland
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