During WWI fake trees were built to serve as observation posts - 9GAG
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4 military disguises that were just crazy enough to actually work - We Are The Mighty
The Army's special branch: How bizarre fake spy trees appeared in no-man's land during WWI | Daily Mail Online
The British and Germans built these deadly hollowed-out trees in WWI - We Are The Mighty
Why Women Pretended to Be Creepy Rocks and Trees in NYC Parks During WWI - Atlas Obscura
Observation post tree hi-res stock photography and images - Alamy
During WWI Fake Trees Were Built To Serve As Observation Posts | War History Online
Camouflage tree - Wikipedia
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Camouflage Trees - WW1 East Sussex
These Fake Trees Were Used as Spy Posts on the Front Lines of World War I | Travel| Smithsonian Magazine
Fake Tree Spy Posts in WWI | TreeScapes & PlantWorks
These Fake Trees Were Used as Spy Posts on the Front Lines of World War I | Travel| Smithsonian Magazine
C A M O U P E D I A: More Horse Carcasses & Phony Observation Trees
Why Women Pretended to Be Creepy Rocks and Trees in NYC Parks During WWI - Atlas Obscura
The Journey Of The WW1 Camouflage Tree | Imperial War Museums
The Army's special branch: How bizarre fake spy trees appeared in no-man's land during WWI | Daily Mail Online
Chamberlin Neff on Twitter: "Soldiers have always looked outside the box to achieve mission success. Exhibit 1- WWI Soldiers constructed hollow artificial trees of steel and concrete used to allow forward observers
