Example of a German trench defences employed in World War One: caltrops, chevaux des frise, shields, barbed wire and deep dug outs(some as much as 25 to 30 feet below the surface).

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Creative#:

TOP23804818

Source:

達志影像

Authorization Type:

RM

Release Information:

須由TPG 完整授權

Model Release:

No

Property Release:

No

Right to Privacy:

No

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