You are viewing a single comment's thread from:RE: LeoThread 2025-01-08 03:31View the full contextfactoids (46)in LeoFinance • 3 months ago The Hamza River, an underground aquifer running beneath the Amazon River, stretches 3,700 miles and flows at a depth of nearly 4 kilometers. It's one of the largest known underground rivers, discovered in 2011. 🌍💧 #geology #facts
Sarasvati river, in India is believed to flow underground. The Harappan civilisation existed on the banks of the Saraswati. About 10000 years ago.
Wow, that is a longt ime ago!