Under what circumstances did the shadow disappear?

The shadow disappeared because there was no light source. When the lights were turned off or it was cloudy, there was no light to spread, and light could not pass through the opaque objects to form shadows. The formation of shadows required light and an opaque object. When light is blocked by an object, a darker area is formed behind the object. This is what we often call a shadow. Therefore, when there was no light source, the shadow would disappear.

The shadow disappeared because there was no light source. When the lights were turned off or no light shone on the object, the light could not spread, so it would not form a shadow. The formation of shadows was an optical phenomenon caused by light being blocked by an opaque object. Therefore, when there was no light source, the shadow would disappear.

Paul's literary creation and description usually referred to the creation of novels, poems, essays, and other literary works. In the process of creation, Paul would describe according to his own inspiration and creativity and express his inner feelings and emotions through words. In the process of literary creation, Paul usually paid attention to the description of the plot, character, setting, etc. to attract the attention of the readers and improve the legibility of the works. In addition, Paul would also pay attention to thinking and discussing the theme of the work in order to better express his thoughts and ideas. The purpose of Paul's literary creation and description was to create excellent literary works and express his thoughts and feelings through words, so that readers could feel the charm and value of literature.

" To Drink " was a heroic poem written by the famous poet Li Bai in the Tang Dynasty. It was written when Li Bai was in his middle age. At that time, Li Bai was at the peak of his life, successful in his career and happy in his family, but he still felt that he was full of passion and heroism for life. In this poem, Li Bai used drinking to express his lofty aspirations and love for life, expressing his indomitable spirit and pursuit of a higher realm. This poem became a classic in the history of Chinese culture and was hailed as one of Li Bai's representative works.

Cervantes wrote Don Quijote during the Spanish Civil War. From 1562 to 1563, a civil war broke out in Spain. Cervantes played the role of a soldier in this war. He witnessed the cruelty and violence of war, so he wrote this novel with the theme of knight fantasy to reflect the social reality and the weakness of human nature. Don Quijote depicted a seemingly absurd story, but it actually reflected Cervantes 'deep thoughts on war and human nature.

Balls of Suet was one of his masterpieces. The story takes place in a small town in 19th century France. It tells the story of a greedy merchant and a poor widow. This story deeply reflected the social scene at that time by exposing the greed and selfishness of human nature. The work received widespread international acclaim and was hailed as a classic in the history of world literature.

Ostrovsky completed How Steel Was Tempered in the context of the Soviet Union's industrial movement. In the 1920s, the Soviet Union was experiencing rapid industrial and modern development. Many young people were recruited to work in the factories and enterprises of the Soviet Union. Their lives began to become more difficult, but they had the opportunity to improve their skills and knowledge through hard work. At this time, Ostrovsky was selected to work in the Soviet steel factory, where he gradually grew into an excellent worker and technician. In his work, Ostrovsky constantly thought and explored how to overcome difficulties and improve his ability through hard work. He wrote the book How Steel Was Tempered, which told the story of a young man who eventually became an outstanding talent through hard work and self-struggle in the context of the industrial movement. This book became an important document of the Soviet Union's industrial movement and set an example for young people around the world.

I recommend "The Strategy of the Princess of a Subjugated Country Winning in Laying Down". This book was an ancient novel where a woman dressed as a man. The female protagonist was a princess of a subjugated country. Because her father had raised her to be too plump, she began to lose weight and become beautiful. At the same time, in order to take revenge, she lived as a man. In the story, her enemy turned out to be her father, and she finally got the ending of true love and revenge. I hope you like my recommendation, Mwah~

My grandfather and I were part of a plot in the novel, The Legend of Hulan River, written by Xiao Hong. " The Hulan River " was a novel written by Xiao Hong. It told the story of a family in the Hulan River area at the end of the Qing Dynasty. In the novel, Xiao Hong described the life experience of the protagonist Zhang Sanjia, showing the problems of family, marriage, class, fate and so on in that era. At the same time, she also showed the kindness, beauty and ugliness of human nature. The story between my grandfather and me is about the relationship between Zhang Lixian, the son of Zhang Sanjia, and Xiao Yingzi. In the novel, Zhang Lixian and Xiao Yingzi fell in love, but because of the differences in family and social background, they could not be together in the end. This plot showed the influence of the era and social background on people's lives, but also showed the complexity and variety of human nature.