Cuban rescue workers use sniffer rabbits to find people in collapsed buildings.
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MDIF, a New York based non-profit organisation, is planning to beam free Wi-Fi to the entire world from space.
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In Montreal, there's a bus stop with swings that play musical notes when you swing on them.
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There's a regenerative candle that creates a new candle as it melts.
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India's richest person, Mukesh Ambani, built a $1 billion home. It has 27 habitable floors, including six parking floors with a capacity to hold up to 168 cars. 600 staff maintain the home.
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