關恆坦言，在拍攝的過程中感到害怕，也意識到這樣的拍攝具有風險。這個過程，歷時三天。
Россиян предупредили о ледяном дождеГидрометцентр: Ледяной дождь обрушится на регионы Центральной России
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Part of the approach involves developing actuators that output lots of data about their current position and function, so that computers can adjust their operation in real-time. But the hardware also needs to step up, too.