Watch Common Ground: Under Construction Notes for Free: How to Stream the Movie Online at 123Movies. . The making of Alejandro González Iñárritu’s Babel is chronicled through an observational approach that captures the creative and logistical challenges of filming a deeply interconnected narrative across four continents. Directed by Carlos Armella and Pedro González-Rubio, the documentary reveals Iñárritu’s commitment to authenticity and cultural sensitivity, from collaborating with local actors and communities to meticulously recreating environments. Through behind-the-scenes footage and the director’s reflective commentary, it delves into themes of human connection, the boundaries we hold within ourselves, and the visceral nature of communication, offering profound insights into the philosophy behind the acclaimed film.