Imperia Motorcar Factory
Formula 1 on the roofs of Nessonvaux
The test track of the Imperia motorcar factory (1905 - 1958) in Nessonvaux)
near Liège is an odd thing:
Part of the circuit still exists on the roofs of the former assembly shops.
The steep turns look like a toy-racecourse - uncomparable
to the country-eating test areas of modern car industry.