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Special pavement with bumps or ridges for the benefit of visually impaired people, used in train stations and at crosswalks.
First adopted in Okayama city in 1967 and now found in many countries.
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Special pavement with bumps or ridges for the benefit of visually impaired people, used in train stations and at crosswalks.
First adopted in Okayama city in 1967 and now found in many countries.
No posts found.
