LANZO, ITALY - CIRCA OCTOBER 2020: Slackline athlete during his performance. Concentration, balance and adventure in this dynamic sport

1 person activities activity adventures adventure adventurous alertness alert athlete attention attentiveness attentive balance concentrated concentrate concentrating concentration demonstrations demonstration europe's europe exercise device exercises exercise fitness equipment fitness fit focused focus health italy one person performance act performance practice practicing practise presentation routine shows show single person slacklines slackline slacklining southern europe south europe sports equipment sportsman sportsmen sports sport training equipments training equipment trainings training train travel photography watchful workout devices workout device workout