How did the dead get to the lake? What killed them and left them there for years? This is the story of the Lake of the Dead: The Roopkund.

Sources:

1. Nature Communications (August 20, 2019). Ancient DNA from the skeletons of Roopkund Lake reveals Mediterranean migrants in India. https://www.nature.com/articles/s41467-019-11357-9
2. National Geographic (August 20, 2019). DNA study deepens mystery of lake full of skeletons. https://www.nationalgeographic.com/premium/article/dna-study-deepens-mystery-lake-skeletons-roopkund ...