from BBC News - World https://ift.tt/2LjafLT
Sunday, June 3, 2018
Tomorrow's Cities: How Barcelona shushed noise-makers with sensors
How citizens are taking control of their own cities with low-cost sensors.
from BBC News - World https://ift.tt/2LjafLT
from BBC News - World https://ift.tt/2LjafLT
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