The MRT is the oldest, busiest, costliest, and most comprehensive rapid transit system by route length in Southeast Asia with more than 67 billion dollars spent on the construction of rail infrastructure. Unlock the secrets of the subway construction like how an entire tunnel system is excavated without sinking the entire city...

It's construction like you've never seen it before! Building the Biggest is an innovative six-part series capturing the most ambitious building projects shaping our world today. From pipelines and diamond mines to the International Space Station and the Singapore subway system, you meet with the masters of construction who make the seemingly impossible a practical reality.

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