Night scape – light smog (light pollution)
Light pollution, also known as photopollution or luminous pollution, is excessive or obtrusive artificial light.
The International Dark-Sky Association (IDA) defines light pollution as:
Any adverse effect of artificial light including sky glow, glare, light trespass, light clutter, decreased visibility at night, and energy waste.
more pictures here: http://my.opera.com/zdenotim/albums/show.dml?id=4967242