What does this symbol actually mean? - Adrian Treharne

source: TED-Ed    2017年1月5日
View full lesson: http://ed.ted.com/lessons/what-does-t...
Some of the world’s most recognizable symbols exist to sell products. Others, to steer traffic or advance political causes. But there’s one whose main purpose is to help people. You may know it as the wheelchair symbol, but its formal title is the International Symbol of Access. But what does the symbol actually mean? And what is its purpose? Adrian Treharne explains.
Lesson by Adrian Treharne, animation by Kozmonot Animation Studio.

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