Mythology and geography

What do such stories say about the interconnectedness of mythology and geography? If not facts, aren't these stories fascinating?

Many researchers don’t believe in its existence because they feel there isn’t enough proof but several archaeologists suggest that Saraswati isn’t just a mythical river. They say that a seasonal river, Ghaggar-Hakra, which comes alive only during the monsoon, originating from the Shivalik hills in Himachal Pradesh and flowing through Punjab and Haryana, before making its way to the Thar desert, is indeed the Saraswati.

Legends have it that when a mani  in Parvati’s earring got lost, Shiva pleaded the connoisseur of gems Sheshnag to help him find it. The thousand-mouthed snake hissed, resulting not only in a shower of  manis