Donna's+light

Light is one of the greatest, it is very useful for humans' life, we know it can be used to in dark, keep enough lighting or another the same using. In fact, except that, scientists have found some more funny using, maybe they are not scientists, whatever they are, the most important is their new light make us feel happy. There are some kinds of lights. They are different for the unusual lights, especially their symbol,

[|light-stick-2.jpg][|light-stick-2.jpg]