Why Do We Wear Ties?

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Mike William looks at the paradox at the heart of the human condition - the desire to belong and to conform, but also to hold onto our individuality. And we see a symbol of this paradox every day in an apparently useless piece of clothing about 150 centimetres long - the necktie. Why do we wear ties? (Photo: US astronaut Buzz Aldrin arrives on the red carpet wearing a colourful tie. Credit: Getty Images)