Complex sentence: The film was made by Hammer Film Productions, and was a remake of the 1940 Hollywood film "One Million B.C.", and it recreates many of the scenes of that film (such as an allosaurus attacking a tree full of children).
Split into simpler sentences: The film was made by Hammer Film Productions, and was a remake of the 1940 Hollywood film "One Million B.C.". It recreates many of the scenes of that film (such as one in which an allosaurus attacks a tree full of children).