Giant trains like Rio Tinto's Iron Dragon in Australia or Union Pacific's Big Boy in the USA are not just feats of engineering but true mechanical wonders. Stretching over 7 kilometers long and carrying tens of thousands of tons, these behemoths transport massive loads across harsh terrains, from the scorching Sahara Desert to the icy regions of Russia. These are not just trains; they are testaments to human ingenuity and resilience, showcasing spectacul
