A multibillion-dollar dam, meant to boost Laos’s economy, collapsed and led to the deaths of dozens, with many still missing. Our correspondent traveled to Laos to speak with families who are trying to salvage what’s left. Subscribe: bit.ly/U8Ys7n More from The New York Times Video: nytimes.com/video ---------- Whether it's reporting on conflicts abroad and political divisions at home, or covering the latest style trends and scientific developments, New York Times video journalists provide a revealing and unforgettable view of the world. It's all the news that's fit to watch.