RT Narjes Rahmati 🟩☫🟥 نرجس رحمتی (@Narjes_Rahmati)How was Iran able to repair *six* bombed railway bridges in just 72 hours?The method was actually developed long ago and is called the Bridge Rapid Replacement System.The secret is this: prefabricated structures - concrete and metal spare parts of bridges, exactly like the original - were stored next to the bridges. According to railway managers, repair teams only had to cut out the destroyed span and install the replacement part in its place with heavy cran ...