從鐵路受損到縱火襲擊，在一系列針對其關鍵民用基礎設施的混合攻擊發生後，波蘭已進入高度戒備狀態。作為北約(NATO)的關鍵樞紐，該國如今加緊保護自身最薄弱的環節之一：能源電網。封面圖片來源：Eve Hartley ...
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