Complex sentence: The 33rd César Awards ceremony, presented by the Académie des Arts et Techniques du Cinéma, honoured the best films of 2007 in France and took place on 22 February 2008 at the Théâtre du Châtelet in Paris.
Split into simpler sentences: The 33rd César Awards ceremony was presented by the Académie des Arts et Techniques du Cinéma to honour the best films of 2007 in France. It was held on 22 February 2008 at the Théâtre du Châtelet in Paris.