A blind American man taught himself to navigate using echolocation. His hobbies include hiking and mountain-biking, and he has now trained over 500 students in his ‘tongue-click’ technique.
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Singapore has the world’s highest percentage of millionaires, with one out of every six households having at least $1,000,000 US dollars in disposable wealth.
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Colombian drug lord Pablo Escobar made so much money, he spent over $2,500 every month just on rubber bands to bundle up his stacks of cash.
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