This demonstration shows what's happening underground when sinkholes form

The Practical Engineering YouTube Channel has made a brilliant demonstration video explaining how sinkholes form.

When a water pipe cracks underground it washes soil away and eventually creates a void big enough to form a sinkhole.

Watch the video to see exactly how it works.

Produced by Leon Siciliano

Business Insider Emails & Alerts

Site highlights each day to your inbox.

Follow Business Insider Australia on Facebook, Twitter, LinkedIn, and Instagram.