https://tvpworld.com/87379869/estonia-digs-anti-tank-ditches-to-strengthen-baltic-defenses
Estonia digs anti-tank ditches to strengthen border
During peacetime, the trenches will be used to improve border surveillance.
anti tank ditchesestoniadigsstrengthenborder
https://interfax.com/newsroom/top-stories/39192/
Ukraine digs over 130 km of anti-tank ditches along border with Russia
anti tank ditches