3 ms·
They are tactile paving for blind and partially sighted people. https://en.m.wikipedia.org/wiki/Tactile_paving https://en.m.wikipedia.org/wiki/Tactile_paving
by laurieg 6y ago
They are tactile paving for blind and partially sighted people.
https://en.m.wikipedia.org/wiki/Tactile_paving https://en.m.wikipedia.org/wiki/Tactile_paving