Interpretations of 2001: A Space Odyssey machines". Kubrick was also confronted with the fact that, during the production of the film, the US and USSR had agreed not to put any nuclear weapons into outer space by signing the Outer Space Treaty. Alexander Walker in a book he wrote with Kubrick's assistance and authorisation, states that Kubrick eventually decided that as nuclear weapons the bombs had "no place at all in the film's thematic development", now being an "orbiting red herring" which would "merely have raised irrelevant questions to suggest this as a reality of the twenty-first century". In the Canadian TV documentary "2001 and Beyond",
2001: A Space Odyssey (film) "culturally, historically, or aesthetically significant" by the United States Library of Congress and selected for preservation in the National Film Registry. "Sight & Sound" magazine ranked "2001: A Space Odyssey" sixth in the top ten films of all time in its 2002 and 2012 critics' polls editions; it also tied for second place in the magazine's 2012 directors' poll. In 2010, it was named the greatest film of all time by "The Moving Arts Film Journal". In an African desert millions of years ago, a tribe of hominids is driven away from its water hole by a rival tribe. They