[Sg] - EDMWer Derrick reports Weird unnatural stuff (macam crop circles) kept appearing in his home even after he sweeps it away

[UltimaOnline]

Derrick89 :​

I have attached the photo below. This weird looking unnatural stuff kept appearing on the same place. When I clean it, it appear again the next day. Sometime it appear after a week or month. Need help. Is it some bugs or pest? But it so weird to appear at the same place with the same shape.

I dono how to post photo here, so I post on fb and link it below.