99% Invisible

Roman Mars

Arts, Design

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Design is everywhere in our lives, perhaps most importantly in the places where we’ve just stopped noticing. 99% Invisible is a weekly exploration of the process and power of design and architecture. From award winning producer Roman Mars. Learn more at <a href="http://99percentinvisible.org">99percentinvisible.org</a>.<br/> A proud member of Radiotopia, from PRX. Learn more at <a href="http://radiotopia.fm/">radiotopia.fm</a>.


99% Invisible-75- Secret Staircases

March 21st, 2013

Episode 82 of 247 episodes

Wherever there is sufficient demand to move between two points of differing elevation, there are stairs. In some hilly neighborhoods of California–if you know where to look–you’ll find public, outdoor staircases. The large number of hidden public staircases is part … Continue reading

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