"The number you have called is unavailable. Please call again later.",Meng Qiong's hand holding the photograph suddenly clenched, her last sliver of hope fading: "Why won't you answer the phone",Meng Qiong's footsteps didn't stop. The cold wind blew her hair, making it stand on end. She looked up at the northern city. It was a snowy day in December. Her hands were frozen stiff, and her vision was a little blurry.。