1.72 million years ago, a large river flowed into the dry desert of Thar, knowing in the video, why and how did it disappear?

In today’s times, a river flowed through the Thar desert. Researchers say the river flowed near Bikaner 1,72,000 years ago. It was like a lifeline for the population living in the region. This research article was published in the Quatnary Science Review. This provided details of the very early activities of this river flowing from the middle of the Thar Desert.