Alpert from population density of new york city in 2020 Watch Video
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Description: Bit PlanenDate: 1998nMedium: VideonDescription:nAerial observation device using RC plane; onboard video camera and transmitter; and ground guidance assistance. Not detectable by radar systems. Additional functionality: local television transmission overcastingnnSuicide BoxnDate: 1995nMedium: Video, installation/data collection devicenDescription:nMotion detection video capture system designed for Golden Gate bridge. The system watches the bridge constantly and when there is vertical motion captu