![](https://static.dezeen.com/uploads/2011/07/dezeen_PTree-by-Aandeboom_01.jpg)
P-Tree by Aandeboom
Unable to prevent revellers urinating against their trees, Roskilde Festival in Denmark installed tree-mounted urinals by Dutch designers Aandeboom. More
Unable to prevent revellers urinating against their trees, Roskilde Festival in Denmark installed tree-mounted urinals by Dutch designers Aandeboom. More
Utrecht designers Rogier Martens and Sam van Veluw of Aandeboom have designed a flat-packed play house that can be attached to the trunk of a tree. More