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If the morning sun shines in, morning haze will veil suddenly the surface of a lake which was as silent as the grave till then. This should be based on the difference of temperature of outside temperature and the surface of a lake, and temperature and a day should put it outside before and behind 11 minus. It is because steam is generated and it rises by the difference of temperature on the surface of a lake currently heated. It is easy to generate when it becomes cold by a radiative cooling phenomenon openly in the low winter season of especially outside temperature. |