The doctor turned his head and whispered four words to the two elderly people. The old people could no longer control their tears.,The green mountains rise in layers, towering and hidden by the sun. Their verdant peaks are steep and imposing, shrouded in mist and cloud. Streams meander through valleys, cascading into waterfalls that spray water droplets high into the air. Monkeys chatter from the trees, fish leap in the streams, and white egrets soar effortlessly through the azure sky. It's a breathtakingly beautiful scene, like a painting or a fairyland.,Fourth, when facing danger, flee with all your might.。