Hi, I never posted on Reddit before, but now I decided to share with you this little video that I made many days ago. I was alone, at ground floor, loading washing machine, then I heard something weird from the first floor. It happens two times, but at la

Hi, I never posted on Reddit before, but now I decided to share with you this little video that I made many days ago. I was alone, at ground floor, loading washing machine, then I heard something weird from the first floor. It happens two times, but at la