© Mother and son (4-5) playing piano

© USA, New York State , Older man demonstrating how to use wood machine

© Mother with daughter sitting on floor in living room and playing

© Grandfather teaching granddaughter archery while standing on grassy field at forest

© Rear view of grandfather assisting grandson in aiming rifle at forest

© children playing and learning traditional dances on the lawn

© children playing and learning traditional dances on the lawn

© a man teaching his young son to surf in Shark's Cove in Pupukea Beach Park

© a man teaching his young son to surf in Shark's Cove in Pupukea Beach Park

© Jujitsu Martial Arts fighter Keith Chang and his nephew streatch before they grapple at the ICON grappling tournament in Honolulu

© a man teaching his young son to surf in Shark's Cove in Pupukea Beach Park

© a man teaching his young son to surf in Shark's Cove in Pupukea Beach Park

© Low angle view of male pilot teaching trainee to operate control panel in airplane against blue sky at airport

© Low angle view male engineer showing airplane parts to female trainee while standing against blue sky on airport runway during sunny day

© Rear view of engineers in reflective clothing standing against blue sky at airport runway

© Male engineer showing airplane engine to trainees while standing in hangar

© Rear view of male pilot teaching female trainee to operate control panel in airplane at airport

© Male engineer showing airplane wheel to trainees while crouching on floor in hangar

© Side view of mother reading book for son while sitting on sofa against window at home

© Engineer showing airplane wheel to trainees while crouching on floor in hangar

© Side view of male engineer guiding female trainee while standing against blue sky at airport runway

© Side view of male engineer showing airplane parts to female trainee while standing against blue sky on airport runway

© Male engineer showing airplane parts to female trainee while standing against cloudy sky on airport runway

© Engineer showing aircraft wing to trainees while standing in hangar

© High angle view of male pilot guiding trainee in airplane at airport runway