WL-2H disaster response/emergency management UAV has arrived at earthquake hit area in Tibet.
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Drones provide illumination to rescuers in earthquake hit areas in Tibet.
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“China hasn’t yet invented poles!”More on this particular drone. It's tethered to a power supply so that it can loiter for prolonged periods and provide persistent illumination. When hovering 30m off the ground, it can illuminate 6000 to 8000 square meters.
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“China hasn’t yet invented poles!”
Yes, in the same way the US are not able to to extinguish forest fires and even need Canada's help!
So are you just that stupid or is your intention - as in the first warning you received - just to troll around!
Take this as a clear and final warning, next such stupid post and you are gone.
I think he is being sarcastic.
The benefit of using a drone for lighting is that you can change the area illuminated by simply increasing or decreasing the hovering height. It is also highly mobile. Imagine how hard it is to transport an one hundred foot pole, even a collapsible one, over all the rubble and debris.