BOATING SHOTs in "Iceberg Alley" on Antarctic Sound: MLS passing by large tabular iceberg with continental ice shelf visible in the distance (2:37). HAMS of two crabeater seals on ice floe (0:11). HAMLS of two seals on ice floe with a few penguins in background (0:24). MS passing by pinnacled iceberg with ice shelf in background (0:19). LS of tall brown bluff with iceberg in foreground (0:24).