New barrier on the border with Belarus delayed. Natural factors were beyond control
Construction on a new border barrier between Poland and Belarus is set to begin soon, although delays have occurred due to severe weather conditions.
The 'Wall' of Iran That Its Enemies Have Never Been Able to Break, Know the Reason
Iran has a strong natural barrier known as the Zagros Mountains, which has historically protected it from its enemies.
Japan raised a "great wall" against tsunamis: it measures 12.5 meters high and cost more than US$6.8 billion
Japan has constructed a 12.5-meter high concrete wall extending approximately 400 kilometers to protect its coastal regions from tsunamis, costing over US$6.8 billion.