She was freezing. After days in the unchanging air of the sub the cold bit her like electricity. She huddled in her tinfoil survival gear. She pulled the drawstring sleeves and trouser cuffs over her hands and feet. She put her foiled hands before her face: too dark to see them, even an inch away. She covered her face with her hands and breathed into them. Icy puffs of thin Himalayan air. She curled into a ball, shivering.