What is the fine-grained topic of the following text: The 11-year-old boy became a six-year-old girl (played by the incandescent Quvenzhané Wallis), Hushpuppy and her father ­became black, the ancient beasts became the movie’s ­signature fantastical ­“aurochs,” and Georgia turned into an impoverished Mississippi River Delta community in Louisiana." Only return the topic.
Adaptation changes in the movie featuring Hushpuppy and aurochs.