Estonian highliner Jaan Roose successfully completed a walk on a slackline between two of Warsaw’s tallest buildings this week. The crossing spanned approximately half a kilometer at a height of 180 meters. The feat took Roose around 30 minutes to complete. This performance adds to Roose’s growing reputation for extreme highlining. No injuries were reported during the event, which drew attention from onlookers. The walk highlights Roose’s skill and bravery in the challenging discipline of highlining.