General Knowledge Question and Answer “What is The Longest Man-Made Object on Earth?” Common GK Paragraph, Essay for class 8, 9, 10 and 12 Class, Competitive Exam.

What is The Longest Man-Made Object on Earth?

No, it is not the Great Wall of China, which is about 1,700 miles long. There are other man-made objects on earth which are longer than this, but they are not ‘on’ earth, but ‘under’ it.

The longest objects on earth are fuel pipelines that carry oil and gas from oil fields to the factories, where the fuels can be refined. The pipelines usually consist of steel tubes, which go two feet below ground.

An oil pipeline built in the Soviet Union is more than 2,300 miles long. A natural gas pipeline from Texas to New York stretches about 1,840 miles in length. The gas pipeline in Canada is more than 5,650 miles long—more than three times as long as the Great Wall of China.

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