Fascinating interactive mapping tool---uses age of dwellings to shown urban growth etc! :) http://maps.cdrc.ac.uk/#/metrics/dwellingage/default/BTTTFTT/14/0.0012/53.3658/ …pic.twitter.com/VmQrus4ZXf
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@caitlinrgreen looks to work better in areas with large homogenously-aged blocks. Even then, large errors apparent. Nice colours tho' ;)
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