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Earlier this year a landslip in Ystalyfera set in chain a series of events which has seen people leave their homes.聽Nine months on, local residents and officials are still grappling with its aftermath.

Geology and industrial history already mean parts of Wales are more susceptible to landslides.聽Now there are concerns that a changing climate could mean聽incidents聽will become even more common in the future.

Kayley Thomas visits Ystalyfera to see the impact a landslide can have on a community and explores the science of trying to forecast when they聽might happen.