Question: I'm new to GitHub and one thing that bothers me is this:

![enter image description here](https://i.stack.imgur.com/ieJ38.png)

Why am I seeing this "circus tent" on my account but not on other repositories?

Answer: 
Actually thats part of the user commit message

For example 

```
git commit -m 'Fixed whatever, time for :beers:'

```

It should appears a `:beers:` emoji

Using Reto Comments, this is the list of [emojis](https://scotch.io/bar-talk/emoji-icons-in-github-commit-messages) available.
It is part of the commit message: an emoj '`:circus_tent:`'

you can see more emoj at [www.emoji-cheat-sheet.com/](http://www.emoji-cheat-sheet.com/).