Duniya Ki Sab Se Lambi Railway Tunnel | Gotthard Base Tunnel Ka Hairat Angez Safar

Kya aap jante hain ke Switzerland ne Alps ke neeche duniya ki sab se lambi railway tunnel kaise banai? Is documentary mein hum Gotthard Base Tunnel ki hairat angez kahani dekhte hain. Yeh 57.1 kilometer lambi tunnel banane ke liye engineers ko shadeed garmi, paharon ke bepanah pressure, zameen ke andar pani aur bohat se mushkil engineering challenges ka samna karna para. Janiye kaise hazaron engineers aur workers ne 17 saal tak mehnat karke is mega project ko mukammal kiya aur kis tarah is tunnel ne Europe ke transport system ko hamesha ke liye badal diya. Agar aap engineering, mega projects, history aur documentary videos pasand karte hain to video ko Like karein, Share karein aur channel ko Subscribe karna na bhoolen. #gotthardbasetunnel #switzerland #engineering #megaproject #railway #tunnel #documentary #history #technology #civilengineering