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Undeterred by setbacks, Chinese engineers unveiled a 2-kilometer test line in the Shangze province in 2024, taking a distinct approach that redefines Musk's original vision. Rather than relying solely on costly steel tubes, China is employing a modular construction method that utilizes both steel and concrete—this innovation is expected to lower construction costs by as much as 80%. Think of it as building with sophisticated Legos, where prefabricated sections can easily snap together, facilitating quicker and more affordable assembly.