I took a little boy to Luray Caverns, Virginia, an underground cave system. It was much cooler in the caverns than it was outside, the little boy was surprised that it wasn't hotter since we were closer to the earth's molten hot core underground.
A childhood belief about places

others believed things like this
- that hills were giants buried underground...— tracy g
- I thought the underground railroad was actually a subway.— Greg
- That there was an underground tunnel linking New York to San Francisco.— Christophe Chang
- When I was little I thought the london underground was a terrorist organisationAnon
- I used to belief that mermaids lived in underground drains. Anon
- I used to think underground trains actually descended into the tunnel, like a rollercoaster.— Natasha