Sweet! I wish I'd make nice videos like this.
Looks like ghost residuals coding... Ooooor
Acording to http://theshadowlands.net/ghost/residual.htm
, A residual haunting is a playback of a past event. Maybe the forest spirits are messing with ya. For cutting their friends. Maybe the devs are leaving polarised ghost images to inform you where this previously cut tree will respawn when time does it's bidding and wipe this factory of yours in 10 000 years...
Oooor when them ghosts of trees, that once were, scare you off and you decide to leave them poor trees alone and pack your things and go elsewhere faaaaar from where you are.
Who knows, I'm sure Simon knows, he knows all things ocult and supernatural. And he's evil, absolute evil!