I grew up in London, and when my sister was about 4 or 5 my mum said we were going to the underground and my sister cried because she thought we would never come up again.
A childhood belief about trains

others believed things like this
- When I was little I thought the london underground was a terrorist organisationAnon
- When trains (subways) go underground, my little sister thought that the lights were shooting stars.— Katie
- My sister told me that if you had sweetcorn in your poo, you had six months to live! I cried for weeks — Billy
- My sister used to believe that chickens grew from the ground.Anon
- My sister was convinced that when she grew up she was going to have puppies instead of babies— leohauoli
- a friend of my little sister's had 4 older brothers, so she thought that when you got older you grew a penis!Anon