Estonian slackliner Jaan Roose walks on a 500-meter-long tightrope stretched between the Palace of Culture and Science and Varso Tower, 180 meters above Warsaw, on May 31, 2026. (Photo by Sergei GAPON / AFP via Getty Images)

Estonian slackliner Jaan Roose walks on a 500-meter-long tightrope stretched between the Palace of Culture and Science and Varso Tower, 180 meters above Warsaw, on May 31, 2026. (Photo by Sergei GAPON / AFP via Getty Images)

Estonian slackliner Jaan Roose walks on a 500-meter-long tightrope stretched between the Palace of Culture and Science and Varso Tower, 180 meters above Warsaw, on May 31, 2026. (Photo by Sergei GAPON / AFP via Getty Images)

Estonian slackliner Jaan Roose walks on a 500-meter-long tightrope stretched between the Palace of Culture and Science and Varso Tower, 180 meters above Warsaw, on May 31, 2026. (Photo by Sergei GAPON / AFP via Getty Images)

A Unitree Robotics humanoid robot is seen at its Asia's first embodied intelligence experience store in Shanghai on May 31, 2026. (Photo by Jade GAO / AFP via Getty Images)

Unitree Robotics humanoid robots dance during the opening day of its Asia's first embodied intelligence experience store in Shanghai on May 31, 2026. (Photo by Jade GAO / AFP via Getty Images)

A child touches a Unitree Robotics humanoid robot at its Asia's first embodied intelligence experience store in Shanghai on May 31, 2026. (Photo by Jade GAO / AFP via Getty Images)

Unitree Robotics humanoid robots dance during the opening day of its Asia's first embodied intelligence experience store in Shanghai on May 31, 2026. (Photo by Jade GAO / AFP via Getty Images)