Get all your news in one place.
100's of premium titles.
One app.
Start reading
The Economic Times
The Economic Times

Kentucky’s Mammoth Cave's hidden plumbing system allows rainwater to reach underground quickly through sinkholes, but these water routes can also carry sewage, chemicals and other pollutants into the cave

Rain falling around Kentucky’s Mammoth Cave does not always remain on the surface for long. Sinkholes can funnel water directly into the limestone below, where it can move through cracks, underground streams and cave passages. This fast connection helps feed the cave system but also creates a major pollution risk.

Also read: In 1975, Soviet Union sent a cannon to space and tested it from Salyut 3 station just six months before US and Soviet astronauts met in orbit for the Apollo-Soyuz mission during the Cold War

Sign up to read this article
Read news from 100's of titles, curated specifically for you.
Already a member? Sign in here
Related Stories
Top stories on inkl right now
One subscription that gives you access to news from hundreds of sites
Already a member? Sign in here
Our Picks
Fourteen days free
Download the app
One app. One membership.
100+ trusted global sources.