Most of us will have walked past the bright yellow and black H signs dotted around our streets without giving it a second thought. But for some, when they did wonder what it was for they came up with some far-fetched ideas.
Many thought it meant there was a helicopter landing pad nearby while others thought it meant there was a hospital. Now South Yorkshire Fire and Rescue Service has give people the answer in a TikTok video.
Posting a picture of the sign they wrote: "You've walked past these small yellow signs your whole life. but it was today you realised , finally, after all these years. They are there to tell firefighters where the hydrants are."
