In the case of an emergency, a Crayola crayon can be used as a candle and will burn for about 15 minutes.
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The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
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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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