a bird's-eye view of world history 人类之网：鸟瞰世界历史：a bird's-eye view of world history 文明之网：无国界的人类进化史：a bird's-eye view of world history An overview of world history Overview of world history A bird's-eye view of the hometown Mysteries of world history The mysteries of world history A bird's-eye view of Chinese culture Glimpses of world history