At the Library of Congress, blind visitors get to feel what others see https://t.co/O9BCDxCx47 https://t.co/8g2zNhXcd5

At the Library of Congress, blind visitors get to feel what others seehttps://t.co/O9BCDxCx47 http://pic.twitter.com/8g2zNhXcd5

— Blogosum (@blogosum) October 31, 2017