Make up a short story with the word 150, thank you.

A long time ago, there was a man named Hua You. He is knowledgeable and has read many books. One day, Huayou thought it was a beautiful place. Still a fantasy? He decided to go outside to prove whether the land was square or round. He thought: Chu is in the south, so I will go north. If the land is round, I will definitely go to Chu. He pawned everything at home, took a lot of money and was ready to leave. Others said, "The ground can't be round, so don't go." But Huayou wouldn't listen. He bought a swift horse, hired a good driver, and set off when he was ready. With travel expenses, Huayou yearned for the north, and went through difficulties and obstacles along the way. He came to the Yellow River, built a wooden boat and left the horse in one place. He crossed the Yellow River, bought another horse, went to the prairie, walked out of the grassland and came to the desert. Across the desert. Through the desert to the snow-capped mountains, the sea, swamps, the Atlantic Ocean, the Pacific Ocean, and China, I finally came to Chu. Huayou returned to Chu. He is white-haired and senile. He told others about the round land, held many meetings to publicize that the round land was round, but no one believed him, and even made up an idiom story of "going south" to laugh at him. In this way, he died of shock. 1000 years later, there was finally a man named Magellan who also traveled around the world, proving that the earth was round. At this time, people thought of Hua You's words.