In the ancient Eastern Continent, how did the ancestors get to know this land?550 famous mountains, 300 water veins, more than 400 mysterious and strange beasts, more than 100 historical figures, more than 40 countries, and the ancient book - The Book of Mountains and Seas - is filled with more than 31,000 words, with geographical locations, mountains and riversThe trend serves as a structure to organize all kinds of strange and magical fantasies. This unique book form and the sense of freedom, mystery and magic it presents have amazed subsequent researchers.