The Rise of Humanity in the Age of Dinosaurs

When people on earth came to the age of dinosaurs, predators of the jungle, racial struggles, civilization development, masters of dragon training, dragon slayers, master builders, fighting masters, arenas, colosseums, politicians, celebrities, soldiers, businessmen, farmers, workers, idlers, criminals, criminals, successful people, and high-ranking people. One day in the earth's time and space, looking back to the dinosaur era, the mass extinction of dinosaurs, or... It seems that it is all sad