Horw 2012
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Reconstruction of a well in Lenzburg / 2012
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Rebuilding terracing retaining wall in Guarda / 2011
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Renewal of a retaining wall in Guarda / 2011
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Dry stone wall Bos-cha / Guarda / 2010
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Restoration of terrace walls near Schloss Lenzburg / 2008 - 2010
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Garden Terracing in Ennetbaden / 2009
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Stairs and retaining wall in Dielsdorf / 2009
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Restoration of a wall with lime mortar in Haegendorf / 2008
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Low-tech hoisting technology in Ethiopia / 2008
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