Teaching 1 COLOURBOX17073129.jpg2 image/jpeg Type image/jpeg Dimension Dimension 4500x3000 Size File size 4.8 MB Download2 View full-size image1 Linkshttps://www.inres.uni-bonn.de/sustaincrop/en/media/header/colourbox583721.jpg/image_view_fullscreenhttps://www.inres.uni-bonn.de/sustaincrop/en/media/header/colourbox583721.jpg/@@download/image/COLOURBOX17073129.jpg