Outsider Environments Europe is an inventory and documentary of art environments in Europe created by non-professionals.
It is about people who without relevant professional training transform their house/garden into a relatively large-scale artwork.
Embellishing a site may include adding decorations, paintings, mosaics, sculptures or built structures. Creating an art environment in general is a proces of many years, often executed with a lot of passion, outside of and disregarded by the professional art world.
You can read the article here