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The Trans-Iranian railway traverses many mountain ranges, and is full of spirals and 1 in 36 (2.78%) ruling grades. Much of the terrain was unmapped when construction took place, and its geology unknown.
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Professor Abolghasem Ghaffari, an Iranian talent who attracted Einstein’s admiration.
Abolghasem Ghaffari (born June 15, 1967 – died November 14, 1993) remains one of the …