New Delhi: The inquisitive and restless nature of man has always forced him to do something that truly satisfies his sense of adventure as well as aesthetics. Consequently, man has been constantly building architectural marvels
PTIPublished : Oct 19, 2013 20:50 IST, Updated : Oct 21, 2013 6:42 IST
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2. The Great Wall of China
One of the impeccable examples of engineering feats, the Great Wall of China was built between 5th century BC to 2nd century BC.
This wall was mainly built to protect the locals from the invasion of nomadic tribes.
