Jun Sato (2nd L), founder of Japan's first parkour educational institute SENDAI X-TRAIN, demonstrates his parkour skill with other practitionners at a park in Tokyo, Japan November 2, 2016. (Photo by Kim Kyung-Hoon/Reuters)





A parkour practitioner looks at Jun Sato, founder of Japan's first parkour educational institute SENDAI X-TRAIN, while Jun demonstrates his parkour skill at a park in Tokyo, Japan November 2, 2016. (Photo by Kim Kyung-Hoon/Reuters)





A parkour practitioner looks at Jun Sato (2nd L), founder of Japan's first parkour educational institute SENDAI X-TRAIN, plays with other practitioners at a park in Tokyo, Japan November 2, 2016. (Photo by Kim Kyung-Hoon/Reuters)





Jun Sato, founder of Japan's first parkour educational institute SENDAI X-TRAIN, demonstrates his parkour skill at a park in Tokyo, Japan November 2, 2016. (Photo by Kim Kyung-Hoon/Reuters)





Jun Sato (L), founder of Japan's first parkour educational institute SENDAI X-TRAIN, looks at his student as he instructs the student at a workshop teaching parkour skills at a gym in Tokyo, Japan October 23, 2016. (Photo by Kim Kyung-Hoon/Reuters)





Jun Sato (R), founder of Japan's first parkour educational institute SENDAI X-TRAIN, instructs his student at a workshop teaching parkour skills at a gym in Tokyo, Japan October 23, 2016. (Photo by Kim Kyung-Hoon/Reuters)





Jun Sato (R), founder of Japan's first parkour educational institute SENDAI X-TRAIN, instructs his students at a workshop teaching parkour skill at a gym in Tokyo, Japan October 23, 2016. (Photo by Kim Kyung-Hoon/Reuters)





Jun Sato (R), founder of Japan's first parkour educational institute SENDAI X-TRAIN, and other practitioners show their hands after demonstration at a park in Tokyo, Japan November 2, 2016. (Photo by Kim Kyung-Hoon/Reuters)





Parkour practitioners demonstrate their parkour skills at a park in Tokyo, Japan November 2, 2016. (Photo by Kim Kyung-Hoon/Reuters)





Jun Sato, founder of Japan's first parkour educational institute SENDAI X-TRAIN, demonstrates his parkour skill at a park in Tokyo, Japan November 2, 2016. (Photo by Kim Kyung-Hoon/Reuters)





A parkour practitioner demonstrates his parkour skill at a park in Tokyo, Japan November 2, 2016. (Photo by Kim Kyung-Hoon/Reuters)