双11促销宣传活动海报是本作品的简要介绍，表示该海报是针对双11促销活动的宣传海报，Summer is the seventh month of the Chinese calendar, marking the beginning of summer. The sun has reached 45 degrees north latitude, and this is the start of summer. With the arrival of summer, all things begin to grow and flourish. As the weather warms up, people are eager to embrace the beauty of nature. This poster is designed to capture the essence of summer and promote the upcoming Double Eleven sales event.