Marcin Wichary Retweeted Marcin Wichary
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Marcin Wichary @mwichary
97. But the most astonishing is the vast network of tactile routes for people who cannot see, to be felt by their walking canes?
You’ve seen a lot of them in my photos already. It’s those distinctive (usually yellow) lines. They seem to be EVERYWHERE. pic.twitter.com/9Ih1H48bOB
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3:56 PM - 3 Feb 2018
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