from their website
Parkour Generations is the largest professional organization for the stunning movement discipline known as parkour or freerunning. Working around the world for over a decade, the founding members of Parkour Generations came together to create a vehicle to transmit the incredibly strong benefits and positive effects of this amazing art form. Comprised of founders, pioneers and principal developers of the discipline from across all generations, Parkour Generations is the authentic, original parkour collective.
official website http://www.parkourgenerations.com/
facebook page https://www.facebook.com/parkourgenerations