An interesting example of how old structures found
in the city - that are eventually demolished and discarded - can be reused as
treated as new materials for other uses, something even better than recycling.
There is many complains due to the high cost of the
Big Dig project - around U$14bi - but the attempt to reuse the beams and slabs
is not valuable? And how much should cost the benefits of having public green
spaces in a city?
Source: PBS 2009,
'Gray to Green?', accessed 23 May 2014, <https://www.youtube.com/watch?v=Pdw9MWElRbk>
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