Jan. 28 (UPI) --A pair of German daredevils took a walk across a slackline suspended between two hot air balloons and earned a world record for their stroll at an altitude of 8,202 feet. Friedi Kühne ...
Lukas Irmler and Friedi Kühne break the Guinness World Records title for the highest slackline at 2,500m above ground, overcoming intense challenges. Scientists may have just solved 900 year old ...
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