* Montgomery county bike stress map http://mcatlas.org/bikestress/
* NYC shared bikes service study http://urbica.co/citibike/ * A collection of old aerial photographs taken from balloons https://www.historicengland.org.uk/images-books/archive/acquisitions/ * David Rumsey Map Center opens at Stanford http://ww2.kqed.org/arts/2016/04/15/stanfords-new-map-center-lets-you-get-up-close-personal/ * An infography about flags around the world http://flagstories.co/ Raf
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