{"shapes": [{"geometry": {"y": 0.06431852986217458, "x": 0.8804123711340206, "height": 0.05972434915773353, "width": 0.06804123711340204}, "type": "rect"}], "src": "http://qph.is.quoracdn.net/main-qimg-3ed0199a346851f0dcc445ce8247a060?convert_to_webp=true", "comment": "The Iron Pillar located in Delhi, India, is a 7 m (23 ft) column in the Qutb complex, notable for the rust-resistant composition of the metals used in its construction.\n\nIt was constructed about 1600 years ago and has remained rust proof despite being made of 98% wrought Iron !\n\nThe process of construction still remains a mystery and even today no such process/technique is known to the modern world resulting in losses to the tune of Billions of dollars in Corrosion.\n", "context": "http://testapp.swtr.us/annotate?where=http://qph.is.quoracdn.net/main-qimg-3ed0199a346851f0dcc445ce8247a060?convert_to_webp=true"}