Complex sentence: The planned 2009 World Touring Car Championship season's third round at the street circuit will be held on 3 May 2009 and will be the first international car race in Morocco since the 1958 Moroccan Grand Prix at the Ain-Diab Circuit in Casablanca.
Split into simpler sentences: The planned 2009 World Touring Car Championship season's third round at the street circuit held on 3 May 2009. It was the first international car race in Morocco since the 1958 Moroccan Grand Prix at the Ain-Diab Circuit in Casablanca.