Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
https://www.metalocus.es/en/news/emscher-landscape-park
https://www.urbangreenbluegrids.com/projects/landscape-park-duisburg-nord/
https://wwf.panda.org/wwf_news/?204420/Ruhr-region-renaturalization
https://climate-adapt.eea.europa.eu/metadata/case-studies/a-flood-and-heat-proof-green-emscher-valley-germany/11305605.pdf