WorkbookCathedralDigitalDrawingLandscapeLeporelloParksPortraitSkiesStonesTreesWatersWorkbook Walk in the Park2010 drawing 30 x 21 cm Florence2010 Madrid2009 PradoMadrid 2009 HofgartenNovember 2011 SchattenbilderNovember 2011 Workbook Avebury2011 Si Jin2009 Hofgarten20.09.11 Rhine2010 Workbook Avebury 22011 Hokusai, Whose History2015 pencil PradoMuseum 2009 KunstmuseumVienna 2012 Van Gogh, Flowering Plum OrchardWhose History, 2015 Museum of Fine ArtBoston 2011 Florence 22010 Silence of the Trees2011 drawing 30 x 21 cm Grace2009 The Holy Trinity 2014 pencil 42 x 30 cmThe Holy Trinity 2014 pencil 42 x 30 cm Figure Drawings2009 Hofgarten, Düsseldorf2011 drawing 30 x 21 cm Figure Drawing2009 A Walking DrawingHofgarten Düsseldorf. 2009 Mnajdra Temple, Malta2010 conté 26 x 36 cm