Part 5/10:
The Batang Kali event was caused by a slope failure amidst the monsoon season, even though heavy rains had not previously occurred. Geologists, including Dr. No Shahida, explained that a combination of natural factors and human activities—such as land clearing for plantations and construction—compromised the stability of hillside slopes. These activities, along with intense rainfall, exacerbated the risk, leading to the disastrous mudslide.