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The Howrah Bridge doesn’t have a single nut or bolt! It’s assembled by melting iron nails. Amazingly, this 26,500-ton bridge sits in the middle of the river without any pillars, simply on its own balance!
The Howrah Bridge
doesn’t have a single nut or bolt! It’s
assembled by melting iron nails. Amazingly,
this 26,500-ton bridge sits in the
middle of the river without any pillars,
simply on its own balance!
