The Summerville ghost lanterns have mystified locals for generations. But geologists may have finally cracked the case.

You can select ‘I Accept’ to consent to these uses or click on ‘Manage preferences’ to review your options and exercise your right to object to Legitimate Interest where used.

Peppers Ghost is a classic technique for making ghosts appear in pictures ... piece of lexan at a 45 degree angle to your “ghost” object, and having the audience (or camera) looking at ...