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