skateboard park with concrete cement surface with concrete skateboard obstacles is ed for roller sports. cycling is not allo

allo allowed begin bent bike bikes cement children circuit clothing concrete cycling dangerous designed elbow free freestyle freeze head icing jump knee lake landscape lawm leisure lifestyle lines metal narrow nature not obstacles outdoor park playground protective railing ramp ramps ride riverbank roller school skate skateboard skateboarder skateboarding skatepark skater skating slide slipping smooth snow sports stunt surface teenage urban village wavy winter yard young