Here ( in Berlin ) some of the pseudo-buttons are actually made for the blind. They have the same shape as the working ones but do nothing. One time I saw on o

Here ( in Berlin ) some of the pseudo-buttons are actually made for the blind. They have the same shape as the working ones but do nothing. One time I saw on one of these buttons, the yellow circle with the three black dots [1], which is the identifier for blind people. 1 : http://digitalcosmonaut.com/2013/berlin-traffic-lights-youre-using-wrong/ http://digitalcosmonaut.com/2013/berlin-traffic-lights-youre...