This was one of the outputs of the Geovisualization workshop held by Arun Ganesh at college. The Mangalore map was done during the first day of the 5 day workshop while the Guwahati one was made by me to aid me on my trip to Guwahati in November 2013.
Further documentation of this project can be found at http://mappingworlds.tumblr.com/tagged/simple-maps/chrono
Further documentation of this project can be found at http://mappingworlds.tumblr.com/tagged/simple-maps/chrono