On August 25, 2024, in Jiangsu Province, located in eastern China, a video captured a powerful cutting machine in action inside a house, demonstrating its precision and efficiency.

The machine featured a large, rapidly spinning circular blade designed for cutting through concrete, stairways, and walls. As it sliced through the wall, it created a perfectly clean doorway with remarkable ease. The smoothness of the process fascinated viewers, with many commenting on how satisfying it was to watch.

Chinese netizens described the video as "oddly satisfying," while others marveled at how modern construction technology makes home renovations much easier. Some even joked that it looked like a hot knife slicing through butter.