Korean Okhwan Yoon left behind a profitable business to cycle the world in aid of world peace. For over 9 years, he has biked across 192 countries on six continents, and has survived 6 car accidents, malaria, extreme temperatures, robbery, and kidnapping.
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Passengers on the Beijing subway can pay with plastic bottles.
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At YouTube Headquarters, employees can either take the elevator, stairs or slide.
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Sweden is so good at recycling, it has run out of garbage and now must import garbage from Norway to fuel its energy programs.
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