On a slackline stretched between two flying hot air balloons at a height of 2,500 meters, the two Germans Friedi Kuehne and Lukas Irmler set a new world record on Saturday. The previous record was ...

Balance is key in slacklining. Start by looking straight ahead, this helps maintain focus and balance. First, stand on one foot (hold onto someone if you need to). Then, attempt to balance on the ...