At the junction of Canada and the United States, south of Quebec and Ontario, a very special weather phenomenon, the weather that suddenly warms up in late autumn, just like returning to warm summer, is often called Indian summer. Summer in India -Indian summer, in the most densely populated area, there is a broad-leaved forest in northern Europe. The broad-leaved forest will be as bright as fire in autumn, and the leaves will show charming colors before falling, which is unpredictable in the autumn sun. Looking up, there are red maple trees, red oak trees, wild grapes, dogwood trees with long vines and red oak trees everywhere, which are very beautiful and gorgeous, dotted with charming autumn colors. Indian summer refers to the so-called "October spring" season in China, that is, short-term windy and warm weather in late autumn. After this period of weather, a cold winter followed. Nowadays, a relationship is often described as "Indian summer", which means "short warmth before long coldness and short happiness before long sadness". So I always like autumn. If people are always experiencing Indian summer, they will always feel warm and comfortable. But if they have not experienced other emotional forms, how can they appreciate the value of Indian summer?