Imagine visiting a slum neighbourhood in the middle of Columbia and coming across a series of outdoor escalators, is it a dream? Not for the community Comuna Trece in Medellin.  The escalator and its orange roof (added after construction) may seem out of place, but these escalators are critical to an integrated transport strategy reducing travel time and improving access into the inner city. High maintenance costs, safety and security are all issues facing the outdoor escalator but its innovative approach to transport is definitely a great discovery.

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Top Image courtesy of MrGrau_2010 Creative Commons
Bottom Image courtesy of AP Photo/Luis Benavides