Longest Underwater Tunnel in the World

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 The Longest Underwater Tunnel in the World  

The Seikan Tunnel in Japan is one of the greatest feats of modern engineering, connecting the islands of Honshu and Hokkaido beneath the Tsugaru Strait.  

With a total length of 53.85 kilometers, 23.3 kilometers of which are underwater, it holds the title of the longest submarine tunnel in the world. Opened in 1988, the Seikan Tunnel not only facilitates transport between the islands but is also designed to withstand earthquakes and tsunamis, showcasing the advanced level of Japanese engineering.  

This tunnel represents not only a milestone in transportation but also in safety and innovation, providing a key link for both passengers and cargo between Japan's two main islands

 دنیا کی سب سے لمبی زیر آب سرنگ  

جاپان میں سیکان سرنگ جدید انجینئرنگ کے سب سے بڑے کارناموں میں سے ایک ہے، جو آبنائے تسوگارو کے نیچے ہونشو اور ہوکائیڈو کے جزیروں کو ملاتی ہے۔  

۔53.85 کلومیٹر کی کل لمبائی کے ساتھ، جس میں سے 23.3 کلومیٹر پانی کے اندر ہے، یہ دنیا کی سب سے طویل آبدوز سرنگ کا اعزاز رکھتی ہے۔ 1988 میں کھولی گئی، سیکان ٹنل نہ صرف جزائر کے درمیان نقل و حمل کی سہولت فراہم کرتی ہے بلکہ اسے زلزلوں اور سونامیوں کو برداشت کرنے کے لیے بھی ڈیزائن کیا گیا ہے، جو جاپانی انجینئرنگ کی جدید ترین سطح کو ظاہر کرتا ہے۔  

یہ سرنگ نہ صرف نقل و حمل میں ایک سنگ میل کی نمائندگی کرتی ہے بلکہ حفاظت اور جدت میں بھی، جاپان کے دو اہم جزائر کے درمیان مسافروں اور کارگو دونوں کے لیے ایک اہم لنک فراہم کرتی ہے۔

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