Is the earth really flat ???

Hello everyone , i hope you are fine .
There is a question i've seen a lot of people talking about it nowadays .
As you know we all know 100% that the earth is round (on a ball shape ) , but what if it's not , what if it's flat .....

The idea of flatten earth is completly rejected , and there is no chance it could be .
If anyone here believe in that theory , i recommand him to give us some selfie pictures at the edge of the earth....
Please people , stop being stupid ...