DENVER, CO -- Eyes in the sky, in the form of drones, help keep light rail moving on Denver's RTD system.
https://patch.com/co...ght-rail-moving
Posted 08 February 2018 - 07:53 AM
DENVER, CO -- Eyes in the sky, in the form of drones, help keep light rail moving on Denver's RTD system.
https://patch.com/co...ght-rail-moving
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