You may not know all these [fart] things when you read them in one picture.

In fact, there are a lot of fun about [fart] this indecent thing.

Dr. Clove said a few casually, you may not know.

Do you know why the saying goes [fart does not stink, fart does not sound]?

Do you know farts can be ignited?

Do you know how many farts a person can fart in a day?

Do you know fart can run faster than you?

… …