Despite a few drawbacks, a green roof is still highly recommended

From: Het Parool

Added: 16 years ago · 4:06 · 480p

http://www.parool.nl/parool/nl/1024/GROEN/article/detail/1029159/2010/10/04/Ondanks-minpuntjes-is-een-groen-dak-toch-aan-te ...