In Hekouzhai Village, locals still refer to the Kang Shaopei estate as the "Big Blockhouse." The nickname captures a defensive quality that the official architectural descriptions often miss. Completed in 1931 after three years of construction, the residence dominates its surroundings with a mix of elegant Lingnan aesthetics and sheer structural mass. You see the traditional "wok ear" gables rising against the sky and Manchurian windows featuring intricate wood carvings, yet the layout of these thirty-three rooms suggests a building prepared for volatility.

History quickly tested that preparation. Eight years after the Kang family finished their home, the Japanese invasion forced the Guangdong Provincial Gengxu Middle School to evacuate inland. The mansion absorbed the displaced students in September 1939, transforming from a private sanctuary into a campus in exile. The grand halls, designed for family rituals and business, began to echo with lectures on mathematics and national resistance.

The estate's complexity—its depth of three courtyards and labyrinthine corridors—served a dual purpose during this occupation. It allowed the school to function, but it also provided cover for the first Communist Party branch in a Yunan middle school. The physical restoration of the site today adheres to a principle of preserving these layers of use. Walking through the timber-framed rooms now, you encounter the space not just as a monument to the Kang family’s wealth, but as the physical shell that protected a generation of students who learned to fight for their country while losing their homes.