They have always dreamed of building a large-scale model railway that would be the most realistic and impressive in the world. The story begins with the idea of creating a miniature replica of the entire world, which they call "Global Train". The main characters of the book are five friends who share a common passion for model railways. They have spent their entire lives studying and experimenting with different techniques and materials to create the ultimate model train set. As they grow older, they face challenges such as family responsibilities, career demands, and health issues, but their love for model trains never fades away. One day, they come up with an ambitious plan to build a global train set that would represent all the countries of the world, complete with their unique landscapes, cultures, and histories. They name this project "Global Train" and embark on a journey to make it a reality. The story follows their struggles and triumphs as they work tirelessly to bring their vision to life. Along the way, they encounter various obstacles, including financial constraints, lack of resources, and personal differences, but they never give up on their dream. Through their journey, they learn valuable lessons about perseverance, teamwork, and the importance of staying true to one's passions.

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