20080916

帮助盲人过马路的声音

从那中间有黄道的蓝盒子里出来。
有的上面还有盲人可以摸到的阳文雕刻的行人和方向标志。
有的上面有可以按下,可能可以令信号灯提前变幻的按钮。

3 comments:

Anonymous said...

yeah! its much better,

Anonymous said...

ok. I found an information here that i want to look for.

Anonymous said...

wow, very special, i like it.