Forgotten trenches of World War I

Wonder what they were doing ? ... training ??

Remains of trenches dug by troops stationed in the Highlands have survived 90 years after World War I, experts said.

Their existence is largely unknown and the Royal Commission on Ancient and Historic Monuments (RCAHMS) only documented them about two years ago.

http://news.bbc.co.uk/2/hi/uk_news/scotland/highlands_and_islands/7719513.stm

 

There are also some other training trenches in the north of England that have been preserved...