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