A Tightrope Walker Went from the Top of One Semi to Another While They Were Driving Side-by-Side Down a HighwayA Tightrope Walker Went from the Top of One Semi to Another While They Were Driving Side-by-Side Down a HighwayA Volvo ad called 'The Ballerina Stunt' is racking up a ton of views on YouTube, but it has nothing to do with a ballerina.Landon KingLandon King