SPUTNIK / SCIENCE PHOTO LIBRARY SPUTNIK / SCIENCE PHOTO LIBRARY
Surveillance technology. A man holding a small unmanned aerial vehicle (UAV). This device is capable of hovering very quietly above an area under surveillance, providing live high-definition video feeds to observers on the ground. This kind of vehicle is of use in military and police operations. Photographed at the Interpolytech 2010 exhibition in Moscow, Russia.
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