Smiling boy behind tree

people 10 19 years 13 14 years 13 15 years 14 15 years adolescence adolescent adolescents behind boy ca caucasian caucasian ancestry caucasian ethnicity caucasians cheerfulness child children forest forests half length happiness happy joy juvenile juveniles kid kids landscape landscapes look looking looking up looking upward looking upwards low angle low angle view low angle views male males natural natural landscape natural world nature one person outdoor outdoors park parkland parklands parks pre adolescent pre adolescent child pre adolescent children pre adolescents pre adolescent pre adolescent child pre adolescent children pre adolescents pre teens preadolescent preadolescent child preadolescent children preadolescents redwoods san francisco smile smiles smiling teen teenage boy teenager teenagers teens tree tree trunk tree trunks trees trunk trunks usa vertical woodlands woods young youth youths