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As an adult, I left my hometown and walked into the noisy city. In the complicated modern life, my heart often flies to the beautiful nature. "Stop and sit in the maple forest late, and the frost leaves are red in February." Du Mu's two famous sentences describing red leaves in late autumn often arouse my reverie. In the "golden autumn in October, Xiangshan is full of red leaves", I decided to walk into Xiangshan, Beijing to see the red leaves.
The car arrived at the foot of Xiangshan Mountain. Under the blue sky, the red leaves of the mountain were layered, and the crimson and dark green were intertwined. Entering the broad red leaf forest belt of Xiangshan, I saw pieces of red leaf trees holding torches, gathering and blending, smearing the earth. Walking through the forest, if you wear a red veil, you only feel that your cheeks are red, your clothes are red, and even the air around you seems to be red. There are 8 families of red leaves in Xiangshan, involving 0/4 species of tree species, with a total number of140,000 plants and a planting area of about 1400 mu, which is spectacular. Cotinus coggygria is the main tree species of red leaves in Xiangshan, with more than 65,438+10,000 trees and an area of 1 127 mu.
Why are the red leaves in Xiangshan different? The staff of Xiangshan introduced that these red leaves contain a lot of chlorophyll, lutein, carotene and anthocyanin, and chlorophyll photosynthesis makes the leaves green in spring and summer; The frost and autumn weather became cold, the temperature difference between day and night changed greatly, chlorophyll synthesis was blocked, and gradually destroyed and disappeared, while carotene and anthocyanin components increased, making the leaves appear beautiful colors such as red, yellow and orange. In addition to cotinus coggygria, there are torch trees. After autumn, the red leaves are as red as a torch, which is a kind of autumn scenery tree with ornamental value.
Since ancient times, red leaves have been deeply loved by people and become the object of many literati. These beautiful poems and elegant words have witnessed the long history of red leaves in Xiangshan. When Zhou Ang, a poet in the Jin Dynasty, visited Xiangshan, he wrote a poem that "the mountain forest faces the city at a loss, and the red leaves and yellow flowers come from a river". At that time, the red leaves of Xiangshan were already "a river". Zhou Ang is honest and has been squeezed by others. Maybe he was full of sadness when he visited Xiangshan. I wonder if the red leaves of Xiangshan brought him comfort. In the Ming Dynasty, Xie Zhen wrote in Xiangshan Temple: "The temple rests thousands of trees and the ground rests for half a day." The red leaves of Xiangshan were originally concentrated on the hillside of Nanshan, which is "the trend of one river". After years of northwest wind, tree seeds were blown to the hillside in the southeast, gradually forming the fiery beauty of "half-day red".
Not only the literati, but also the emperor likes this beautiful place very much. In the Qing Dynasty, Emperor Qianlong built the "Jingyi Garden" in this scenic spot, which made Xiangshan a place forbidden by the royal family to leave the palace, and the "Twenty-eight Scenes of Jingyi Garden" became famous for a while. Gan Long loved red leaves, created a special scene, named it "Lin Xuanqiu" himself, and wrote a poem to praise this gorgeous autumn scenery. In the preface of the poem, Gan Long described the autumn rhyme he felt beautifully: "The trees in the mountains are pine, juniper, cypress, locust and elm, and the biggest ones are ginkgo, maple, late autumn frost and old age. The sunshine in the morning is not beautiful enough, and craftsmen can't work hard. Looking back on that year, every late autumn, the leaves turned red, the autumn wind blew, the leaves fell and fell, and the hillside was covered with lush pines and cypresses. I felt beautiful. "
The unique beauty of Xiangshan makes it a gathering place of historical sites. From the "Great Anji" in Jin Dynasty to the royal gardens in Qing Dynasty; From the Buddhist temple in the Yuan Dynasty to the Biyun Temple in the Sixth Courtyard formed in the Ming and Qing Dynasties; From the place where Dr. Sun Yat-sen stopped, to the Sun Yat-sen Memorial Hall and the cenotaph that people worship today; From the private villa "Shuangqing Villa" in the Republic of China to the office residence of President Mao Zedong on the eve of the founding of New China, the red leaves of Xiangshan witnessed the history of Xiangshan.
Now, the red leaves of Xiangshan have won people's praise with a spectacular scale of more than100000, and have also been included in the "Sixteen Scenes of New Beijing" to welcome tourists from all over the world.