With a rip, Luoli pulled open another backpack, and 5 black grains like dragon pine seeds tumbled out.,Exhausted, he stopped again, ate another blackbird millet seed, and set off once more.,Longbo had a strong sense of crisis. In the next three days, besides hunting for food and sleeping, he spent all his time digging a hole. It was planned, winding, and stair-like, digging deeper into the rock layers.。