The highest tunnel for high-speed train in the world has been recently opened in :

The highest tunnel for high-speed train in the world has been recently opened in : ?

Created: 1 week ago | Updated: 1 week ago | Created By:

Imran Ahmed

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Russia

Brazil

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Best Answer Explained in Below-:

চীনের উত্তর পশ্চিমের গান ও জিনজিয়ান প্রদেশের মধ্যে দ্রুতগতির ‘পৃথিবীর সর্বোচ্চ রেল ৯,সম্প্রতি চালু হয়। এই টানেলের দৈর্ঘ্য ও উচ্চতা যথাক্রমে ১৬.৩ কিমি ও ৩৬০৭.৪ মিটার।

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