A police officer works inside the operation center at the village of Nea Vyssa near the Greek-Turkish border, Greece. An automated hi-tech surveillance network being built on the Greek-Turkish border aims to detect migrants early and deter them from crossing, with river and land patrols using searchlights and long-range acoustic devices. — AP
PEPLO, Greece: As the world begins to travel again, Europe is sending migrants a loud message: Stay away!
Greek border police are firing bursts of deafening noise from an armoured truck over the frontier into Turkey. Mounted on the vehicle, the long-range acoustic device, or “sound cannon”, is the size of a small TV set but can match the volume of a jet engine.
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A police officer works inside the operation center at the village of Nea Vyssa near the Greek-Turkish border, Greece. An automated hi-tech surveillance network being built on the Greek-Turkish border aims to detect migrants early and deter them from crossing, with river and land patrols using searchlights and long-range acoustic devices. — AP
A police officer operates a long range acoustic device, (LRAD), attached on a police vehicle, during a patrol along the Greek-Turkish border near the town of Feres, Greece. — AP
A police officer operates a long range acoustic device from a police vehicle, during a patrol alongside the Greek-Turkish border near the town of Feres, Greece. — AP
A police drone operator pilots a drone during a patrol at Evros river, near the village of Feres, at the Greek-Turkish border, Greece. — AP
A police officer uses a long range acoustic device, (LRAD), at the Greek-Turkish border to deter migrants from crossing. — AP
A police officer works inside the operation center at the village of Nea Vyssa near the Greek-Turkish border, Greece. — AP
A police officer patrols alongside a steel wall at Evros river, near the village of Poros, at the Greek-Turkish border, Greece. — AP
