Watch: German slackliners break world record by walking between hot air balloons at 2.5 km altitude

Two German athletes, Friedi Kuehne and Lukas Irmler, set a new world record in slacklining. They walked a slackline suspended between two hot air balloons. The height was 2,500 meters. This broke their previous record of 1,900 meters set in 2021 in Brazil. The event was captured in a video. It has become viral on social media.