Man mountain biking at sunset

sunset sport mountain bike mountain biking nature transportation bicycle landscape mountain hill leisure motion challenge cycling solitude fun recreational pursuit extreme terrain healthy lifestyle riding dirt track bike one mid adult man only sunglasses flat cap cap one young man only journey travel vertical outdoors day dusk fitness active loneliness 25 29 years side view one person full length male caucasian ethnicity cycle scenery view solitary solitariness amusement man youngster daytime evening sundown eve activeness activity lonely one person only