Original sentence: Having begun filming in 2006, the documentary details the journey of a group of young filmmakers who go in search of the reclusive icon, documenting their search through interviews of the people with whom Hughes had worked and fans of his films
Edited sentence: Filming began in 2006.The documentary details the journey of a group of young filmmakers who go in search of the reclusive icon, documenting their search through interviews of the people with whom Hughes had worked and fans of his films