Cliff Detail, AlkefjelletAlkefjellet, Svalbard. A vertical wall of dolerite rising straight out of the Arctic Ocean, every ledge and crack occupied by Brnnich's guillemots. Thousands of them, packed so tightly the rock itself almost disappears beneath the colony. The horizontal bedding planes are streaked white with guano, and at the base, that remarkable turquoise water you only find in high Arctic latitudes where glacial meltwater meets the sea. The overcast light was