Our Ancestors Were Giants

"Yu Dongyan, male, born on August 26, 2020 in the new human calendar, 15 years old, 172 mm tall, 67 grams in weight,..." In this chaotic era, steam chariots compete with huge beasts on the ground, pigeon riders and war airships race in the air, and giant ruins are scattered all over the world. The high-spirited young man is on the road to becoming the greatest explorer, and the future is far away.