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সমুদ্রের নিচে ৫০ কিমি ট্যানেল ! কীভাবে তৈরী করা হয়েছে এই টানেল? | Underwater Mega Tunnel Mystery

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11,150 views114likes8:11MystiCoreMindOriginal Release: 2026-06-09

The Channel Tunnel, a 50-kilometer underwater rail tunnel connecting England and France, was constructed using Tunnel Boring Machines (TBMs) that bore through the seabed while engineers managed critical challenges including water pressure, geological conditions, and seismic risks to prevent catastrophic flooding.

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