Jakarta, Dec. 9 -- In late November 2025, high-intensity rainfall triggered devastating floods and landslides that killed hundreds of people in three provinces of Sumatra: Aceh, North Sumatra, and West Sumatra.

Overflowed rivers dragged mud, rocks, and wooden material, leaving thick sediment in the villages where residents previously carried out their daily activities.

Roads were cut off, bridges were swept away by the flood current, electricity and telecommunications networks were down, while about one million residents had to evacuate, carrying only a small portion of the possessions they managed to save.

Floods indiscriminately inundated residential areas and centers of community activities. Landslides in various locations blocked i...