Free running, (0) ALSO known (1) ............ Parkour, is the art of running through the urban environment. Its participants can be seen leaping from roof to roof, scaling high walls, and balancing over perilous drops. Georges Hebert first developed the system of military obstacle course training called Parcour, or Parkour, before France's war in Indochina. Soldiers (2) ............ trained to move quickly and athletically through obstacles. In France in the 1990s, a small group of enthusiasts named the Yamakasi, inspired (3) ............ Parkour and the martial arts movies of Jackie Chan, developed these ideas (4) ............ an impressive but inherently dangerous hobby. Prominent freerunner Sebastien Foucan describes the concepts of the discipline in his 2003 book Freerunning: Find your way. He claims the central idea behind freerunning is (5) ............ a human being should move fluidly through his or her environment. Freerunning (6) ............ came to the attention of the wider world through the 2003 documentary Jump London and has been growing in popularity ever (7) ............. Representatives of the sport (8) ............ currently in discussions with the International Olympic Committee (IOC) to see if it can be legitimised as an official Olympic sport.