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Hae you ever seen traffic signal controllers? Don't you think that is a kind of barrier?
When you walk along the street, you can easily find traffic signal controllers.
By the way, that comes to us as a BARRIER. It hates the beauty of city, also it block the way.
In addition, Do you know why mirror is installed in elevator?
Installing mirror in the elevator, so that people get not bored. That is our main concept of traffic signal controller design. When we waiting at the crosswalk, it comes to us excessively long.So, installing mirror at the traffic signal controller that can be a BARRIER FREE.
Handong Global University
Pohang, South Korea
Suncheon-si, South Korea