Kungshögen (English: the Royal Tumulus) in Faurås is one of the objects that have suffered that fate.
Ernest Vinberg | Vinberg |
This shows in particular (and was noted independently by Vinberg in 1975) that the Levi factor G of P acts prehomogeneously on V:=\mathfrak p^\perp/\mathfrak p^\perp,\mathfrak p^\perp.