<prompt> Bhala ukuqhubeka kwalesi sigaba - Yakhiwa ngo-1971, isifunda sabamba imijaho emibili yeFormula One Belgian Grand Prix ngo-1972 nango-1974  <response>: phakathi nesikhathi lapho umjaho kwakufanele ushintshashintshe khona phakathi kwemizila yaseWallonia neyaseFlemish. Njengoba yayakhiwe uRoger Caignie ukuze ibe enye indawo ephephile ye-Spa, i-Nivelles mhlawumbe yayiphephe kakhulu. Yayinezindawo ezinkulu zokugeleza kwamanzi, yayisicaba futhi ingenazici, futhi abashayeli abaningi babeyichaza ngokuthi ayinamusa futhi ayinazo izakhi. Ama-Nivelles ayengathandwa phakathi kwababukeli abakhokhelayo ngoba babecabanga ukuthi babengasondelene ngokwanele nesenzo. 