On this day: Philippe Petit walks a tightrope between the Twin Towers (1974)

On the morning of August 7, 1974, thousands of commuters in New York looked up to an unexpected sight: a man walking across a thin steel wire strung between the recently completed Twin Towers of the World Trade Center, roughly 400 meters above the street. That man was 24-year-old French street performer and high-wire artist Philippe Petit.

Petit's stunt was the product of months of secretive planning, carried out entirely without official permission. He and a small team of accomplices infiltrated the towers at night, at a time when building security was not yet fully established, and rigged the wire between the two rooftops. The operation was so clandestine that team members referred to themselves as 'the coup.'

Petit's idea dated back years earlier. As a young man, he saw a magazine photograph of the still-under-construction towers and became convinced that walking between the two massive structures was possible. From that moment, he spent years preparing for the feat, repeatedly traveling to New York in secret to study the buildings' layout and observe security routines.

At around 7:15 a.m. on August 7, Petit stepped onto the wire with no safety equipment. For roughly 45 minutes, he walked back and forth between the towers eight times — at points kneeling on the wire, lying down on it, and even saluting a police helicopter that circled below him during the performance.

The crowd gathering below brought traffic to a standstill, and police, firefighters, and journalists rushed to the scene. When Petit finally stepped off the wire of his own accord, he was arrested on the spot — but the performance had captured such widespread admiration that prosecutors soon dropped the charges, requiring instead that he perform a free show in a city park.

The event is remembered not only as a daring performance but as a moment that gave a warm, human dimension to the newly completed Twin Towers, which some critics at the time had dismissed as cold and impersonal. Petit's walk gave the buildings something close to a personality and a legend.

The story went on to become part of New York folklore, retold for decades. Petit himself recounted the experience in his 1985 book 'To Reach the Clouds,' which later formed the basis for the 2008 documentary 'Man on Wire,' which won the Academy Award for Best Documentary Feature.

The story also reached the screen through the 2015 film 'The Walk,' a dramatized retelling starring Joseph Gordon-Levitt as Petit. Both works sought to capture the technical audacity of the feat as well as the spirit of the era's New York.

After the Twin Towers were destroyed in 2001, Petit's walk took on an added significance, helping ensure the towers would be remembered not solely for tragedy but also as a symbol of human courage and imagination.

Today, Petit remains an active artist and author, and his performance is regarded as one of the most audacious and enduring acts in the history of public spectacle — illegal but harmless, dangerous yet mesmerizing.