Stack of paperwork in in-tray

Businessman running with light streaking around him

Businesswoman running with lights streaking behind

Businessman holding briefcase with light streaking around him

Computer wire tangled around office equipment

Businesswoman running with lights streaking behind

Businessman holding briefcase with light streaking around him

Woman holding briefcase with lights streaking behind

Empty hospital bed with teddy bear on it

Young boy outdoors holding an environmentally sound lightbulb

Business people shaking hands through light bulb

House interior with pink Christmas tree in background

Businesswoman With Colleagues Sitting in a Dark Office Opening a Bright Briefcase

Illuminated snowman

Circular trails of light created by sparkler, close-up

Girl with birthday cupcake

Girl with birthday cupcake

Festive Christmas candles

Woman relaxing in a cubicle

Pillows on bed

Fuel pump illuminated at night

Fuel pump illuminated at night

Jazz Singer Performing in Club

Saxophonist Performing in Jazz Club

Beach storage cabin with christmas decoration on door

Car lights on a highway

Red and yellow lights

Kiwi farm

Close up of a pin wheel

Boy thinking

UK, England, London, South Bank with London Eye, dusk

Bottom of traffic light (Digital Composite)

Denmark, Copenhagen, City Hall at dusk

USA, Illinois, Chicago skyscrapers at dusk

Man holding energy saving lightbulb, mid section

Paper Lanterns in Box

Woman Looking at Price Tag on Chandelier

Ceiling of the Mosque of Muhammad

Vinterväg.

Tågstation. Vinterkväll.

Ung flicka

Coin-operated binoculars at the water's edge, poles with lights in background

Light bulb and blue background, close-up

Light bulb, illuminated, close-up

Magere Brug Drawbridge lit up night, Amsterdam, Netherlands

Mid section of woman holding pie, Christmas tree in background

Person sitting on the bench in front of San Martin Plaza, Lima, Peru

Woman holding up streamer against blue sky, cropped view