Ключевые слова: 39, america, animal, aquatic mammal, attraction, bay, beast, california, california sea lion, close up, coordinated, dock, eared seal, lion, mammal, marina, marine mammal, nature, one sea lion, otariidae, outdoor, pier, pier 39, platform, rythm, san francisco, sea, sea lion, standing, summer, synchronize, synchronized, three, three sea lions, usa, vertebrate, water, wet, wildlife,