In 1976, the fill slope behind Block 9 of Sau Mau Ping Estate in Kwun Tong collapsed during heavy rain. The scene was inundated by the massive flow of mud that left many people dead.

In 1976, the fill slope behind Block 9 of Sau Mau Ping Estate in Kwun Tong collapsed during heavy rain. The scene was inundated by the massive flow of mud that left many people dead.

In 1976, the fill slope behind Block 9 of Sau Mau Ping Estate in Kwun Tong collapsed during heavy rain. The scene was inundated by the massive flow of mud that left many people dead.

In 1976, the fill slope behind Block 9 of Sau Mau Ping Estate in Kwun Tong collapsed during heavy rain. The scene was inundated by the massive flow of mud that left many people dead.