Introduction to the microclimate zone: The average temperature in the microclimate zone is about 17.7°C, with warm winters and cool summers. There is no snow here in winter, and small animals do not hibernate. During the frost season in autumn, there is no frost here. Since ancient times, there has been a saying that "three trees cannot cross the river". The three trees refer to camphor, nanmu and moso bamboo. Here we can say that all three trees have crossed the river. There is moso bamboo, the favorite of literati, and the tall and straight nanmu, which has the "No. 1 Jiangbei" reputation in northern Jiangsu. Cinnamomum camphora is known as "one camphor".