Adult macaroni penguins (Eudyptes chrysolophus) plunging into the sea leaving their breeding colony at Elsehul on South Georgia, Southern Ocean, Polar Regions

Portrait of synchronized swimmers upside-down underwater

Aerial view of Caucasian synchronized swimmers

Caucasian synchronized swimmers splashing in swimming pool

Aerial view of Caucasian synchronized swimmers

Multiple exposure of Caucasian woman swimming in pattern

Caucasian synchronized swimmers with arms raised

Spectators viewing bottle-nosed dolphins, Tursiops truncatus, USA, California, San Diego, SeaWorld

Bottlenose dolphin, Tursiops truncatus, USA, California, San Diego, SeaWorld