This morning, I saw a news report. In a reservoir in a city in China, law enforcement officers used drones equipped with thermal infrared cameras to detect nighttime illegal acts and take photos for evidence.
A water reservoir is undoubtedly a key place for a city and an important source of water for urban drinking. Therefore, how to effectively protect the water source, for law enforcement…Continue
Added by Kirk on August 22, 2019 at 12:00am — No Comments