Exploring the World: Decoding the Mystery of the 1600-Year-Old Rust-Free Iron Column, an ‘Ancient Wonder’.
The Quwwat-ul-Islam Mosque complex in New Delhi is home to an ancient wonder of metal work – a 1,600-year-old iron pillar that is exceptionally resistant to rust. The Iron Pillar of Qutub Minar, as this ancient monument is sometimes referred to, measures 7.21-meters-tall, has a diameter of 41 centimeters and weighs about 6 tons. It’s …