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Dimensions is an experimental project by the BBC to help communicate the geographic scale of events reported in the news. "We want to bring home the human scale of events and places in history. The D-Day landing beaches measured from London to Norfolk in the UK. How far would the Titanic stretch down your street?
Dimensions simply juxtaposes the size of historical events with your home and neighbourhood, overlaying important places, events and things on a satellite view of where you live. Certain "Dimensions" can be transformed into short walks, so you can get a physical appreciation of the distances involved."
Users can view the size, length, depth, and paths of various historic events in relation to any post or zip code around the world. The site also contains a brief FAQ.