© South Africa, Kruger National Park, Burchells Zebras in grassy field

© South Africa, Kruger National Park, African Wild Dog stretching

© Italy, Sicily, Boys looking at sea waves

© Business people talking while using laptop computer in office

© Close-up of happy children in Halloween costumes eating lollipops

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

© Creative businesswomen examining blueprint in board room

© USA, New York State, Doctor talking to patient in hospital room

© USA, Missouri, St. Louis

© USA, New York State , Couple playing backgammon at home

© Couple using laptops at table in home

© Double exposure of boys in ghost costumes at cemetery during Halloween

© USA, Massachusetts, Swansea, Young baseball players (8-9, 10-11) watching match

© USA, New York State, New York City, Queens, LaGuardia Airport, Two men discussing business on airplane

© USA, New York State, Young man and two boys (8-9, 14-15) cleaning quadbike

© Teenage girls (14-15) riding horses

© Girl feeding iced candy to sister while sitting by brother in yard

© USA, Colorado, Keystone, Mountain bikers riding in forest

© Happy friends enjoying at amusement park arcade

© Baby boy looking at siblings using tablet computer while standing in crib