Author 'Francis-Sisco' (Id 190104 ) (Original: Francis-Sisco) : The castle of La Hulpe is located in Belgium in the park Solvay. The public domain is open every day. The Folon foundation is also installed in this property which borders the forest of Soignes.
(see the link to the Folon foundation). Lien : Http://fr.wikipedia.org/wiki/Jean-Michel_Folon