いろは紅葉(イロハモミジ) Japanese maple

　きれいに紅葉するには、昼と夜の寒暖の差が大きく、風通しが良いことが条件と聞きました。

　I heard that for the leaves to turn beautifully into autumn hues, the temperature difference between day and night is large and the leaves are well aerated.