Young businessman napping at desk

Businessman lying down on ledge in office

Boy sitting at desk in bedroom, doodling in notebook

Young man looking at hourglass, holding head

Girl blowing bubble with chewing gum, portrait

Woman watching portable DVD player, sitting in chair

Professional woman and son in waiting room, boy coloring, cropped view

Woman shuffling two stacks of paper together, sitting at desk

Young professional man sitting in corner, throwing paper airplanes

Young businessman using cell phone to take picture of himself, smiling

Young businessman slouching at desk, holding head and looking at pen with bored expression

Young woman watching portable DVD player, sitting on the floor, leaning against wall

Man holding paper airplane, aiming at target over colleague's head, cropped view

Two boys lying on the floor looking down at a pair of dice

Businessman knocking over binders, smiling at camera

Young woman sitting at desk, flipping through adhesive note block

Man holding paper airplane, aiming at target of colleague's head, cropped view

Hitchhiker sitting in the middle of the road in lotus position, holding one thumb out

Boy resting head on table between two stacks of paper, rolling eyes

Man whittling piece of bark, cropped view

Male professional sitting in corner, throwing paper airplanes

Man whittling piece of bark, cropped view of hands

Man whittling piece of bark, cropped view of hands

Man sitting on the ground, reading book, full length

Businessman sitting on sofa in gravel, throwing golf balls, full length

Boy walking along white dividing line, smiling up at camera

Boy walking along white dividing line, cropped view

Child walking along crack in sidewalk, cropped view of feet

Boy leaning against palm branch, smiling at camera

Woman sitting on the ground next to vase of flowers, rear view

Child walking along crack in sidewalk, cropped view of feet

Child walking along crack in sidewalk, cropped view

Woman sitting on the ground arranging pebbles, cropped view

Woman arranging pebbles on the ground, cropped view of hand

Woman sitting on the ground holding handful of gravel, smiling at camera

Mature woman playing with building blocks

Man skimming stones at the beach, rear view

Boy walking along white dividing line, cropped view

Boy walking along white dividing line, high angle view

Child standing on one leg, cropped high angle view

Child walking along crack in sidewalk, cropped view of feet

Boy leaning against palm branch, side view

Child walking along crack in sidewalk, cropped view

Woman kneeling on the ground arranging pebbles, cropped high angle view

Woman kneeling on the ground arranging pebbles, cropped view

Woman sitting on the ground arranging pebbles

Woman sitting on the ground, looking down at handful of gravel

Woman kneeling on floor, placing pebbles in line, cropped, high angle view