Roller boy sliding on the parapet Photography by Dimitar Hristov - 54ka active activity balance black blade boy casual coping danger down exercise extreme figure freestyle fun glide gliding GOLOKA grind grip halfpipe Helmet high jump knee male man move outdoor pad park people person perspective Play pose rail Ramp recreational Ride risk roller rollerblade rollerskating skate skateboard skating skill sky slide trick sliding speed spin sport sportive street summer teenager Teens trucks urban wheel wheels white young