Pre-register at https://slackmap.com/event/e0uhf2017
Visit their fan page at https://www.facebook.com/UrbanHighline/
Watch this year’s event on fb at https://www.facebook.com/events/17323…
Visit their website at http://urbanhighline.pl/
The awesome video clips came from Wojtek Kozakiewicz, check out his official video at https://vimeo.com/wojtekozakiewicz