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In Shenzhen, power transmission lines span over 4,000 kilometers, supported by over 7,000 towers. Inspecting just one kilometer once means sending crews deep into rugged terrain – an all-day job from sunrise to sunset.

Today, from an office, with just a few keystrokes, a drone takes off, surveys the line and delivers real-time data – cutting inspection time from hours to just a minute.

What once felt like science fiction is now part of everyday operations in China.

Don't miss the premiere of Unyielding Growth, Episode 1: Taking Off, on CGTN.

06:42

Open in CGTN APP for better experience

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When reality outshines Sci-Fi – China's tech revolution