The tarn was surrounded by tough alpine grasses and thorn bushes with berries of candy pink and cough-drop red. At that camp the party’s fire looked choked and small. And when the moon came out its light shone on and through the blue ice cliffs fastened to the black rock faces of surrounding mountains. The night breeze came as an icy downdraught carrying a scent of hostile nothingness, as if it blew all the way from the stars.