After the Snowmelt review – a fatal disaster in a snowstorm leads to devastating act of remembrance

<p>Yi-Shan Lo returns to Nepal to follow the route of her best friend’s ill-fated hike in a harrowing but cathartic documentary</p><p>A work of deep personal reckoning, Yi-Shan Lo’s debut documentary feature opens with closeups of the film-maker’s own footsteps as she trudges throu