The Iron Pillar of Delhi, India : Pillar is 7.21m high with a 41cm diameter that stands in the middle of an empty square in the Qutub Complex, New Delhi, India. Its construction was ordered by ...

Standing rust-free for over 1,600 years, Delhi's Iron Pillar defies time and science. Its ancient phosphorus-rich alloy holds secrets modern metallurgy still can't crack.

In the middle of Delhi, not far from the iconic Qutub Minar, stands an ancient iron pillar that has puzzled scientists and historians for over 1,600 years. Despite facing harsh weather, pollution ...

An iron pillar placed in the UNESCO-listed Qutub Minar complex in New Delhi has long fascinated scientists for surviving over 1,600 years without rust. Standing tall at 7.2 metres and weighing six ...

An iron pillar in Qutub Minar complex has stood tall for over 1,600 years. It is 7.2 meters tall and weighs six tonnes, predating the complex.