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In China, a drone wouldn't let a man enter the sea after dark.The municipal lifeguards in Qingdao enforce a nighttime swimming ban with drones, a public safety measure aimed at preventing drowning in the area's notoriously dangerous currents.Science and facts💡

In China, a drone wouldn't let a man enter the sea after dark.The municipal lifeguards in Qingdao enforce a nighttime swimming ban with drones, a public safety measure aimed at preventing drowning in the area's notoriously dangerous currents.Science and facts💡
In China, a drone wouldn't let a man enter the sea after dark.The municipal lifeguards in Qingdao enforce a nighttime swimming ban with drones, a public safety measure aimed at preventing drowning in the area's notoriously dangerous currents.Science and facts💡

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