The doctor turned his head and whispered four words to the two elderly people. The old people could no longer control their tears.,Time flies, twenty years have passed in a blink of an eye.,The thunder raged and the beasts were terrified. When the lightning ended, large raindrops exploded on the ground, turning into a downpour in an instant. The white snake moved closer to the shelter to avoid getting wet. Rain would lower its body temperature. As a cold-blooded animal, snakes cannot maintain a constant body temperature like mammals. After the rain stopped and the sun rose, they had to go outside to bask in the sun and raise their body temperature to stay alert.。