C1236 The only secret of prehistory

The forest was silent. It was cold in the north, and the birds had all flown to the south for the winter. There was not even the sound of a bird in the forest. Only the trees that were stripped of their leaves were lifeless.

Xia Lei stood at the side of the frozen pond, and watched the water flow beneath the surface of the ice. A lot of people and objects appeared in his mind. Zhu Xuanyue