In Finland during WW2, trees are connected and suspended in the air by rope. This was made to confuse enemy observation posts by visually tricking them into thinking there is no road.

11 comments
  1. [Here’s colorized version](https://i.imgur.com/r9e2pGf.jpg) (not by me). Image seems to be cropped, removing source sa-kuva.fi. SA-Kuva is Finnish Defense Forces War Museum image archive. Image has the following information (roughtly translated):

    >The Finns have camouflaged about 10 km from the border on the road Raatteen tie with fir trees hanging in the air because right on the border there is an observation tower erected by the Russians. -Suomussalmi, Kuivajärvi 1941.06.27

    On one article, military history professor lieutenant colonel Vesa Tynkkynen said that the trees protected traffic from Russian air attacks.

    >In the summer of 1941, the Finns attacked across the border towards Uhtua. In the winter of 1939–1940, Raatteen tie was the scene of the fierce battles of the Winter War: the Finns destroyed an entire division of the Red Army there and got a lot of war booty, although there were also losses of their own.

    I couldn’t find any more images of trees hanging in the air from the archives.

    If you look closely the image, you can see the rope line.

  2. We did this “ilmakuusi” during my service in 2014. Works great at hiding tents and supply points as well. Combine with camo nets on ground level for maximum effectiveness. Only a drone directly above would have a chance of spotting what ever you are hiding.

  3. any (trustworthy) literature on this? both english or finnish fine, as i am speaking finnish. ty!

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