It took decades of technical breakthroughs to get to this point, from intricate wirework and robotic cameras to CG legs floating in zero gravity.

历经几十年的技术突破才达到现在的程度，从复杂的机器人摄像头，到CG技术以及零力漂浮。

Narrator: Wirework, or " wire-fu, " has long been a signature of kung fu movies, with OG Hong Kong films using wires so thin they were invisible on-screen, even if they sometimes broke.

叙述：特技， 或称“武术” ，一直是功夫影的标志性元素，早期的香港影使用极其细小到银幕上几乎看不见的， 即使这些有时会断裂。