Dolphin's Play

Spinner dolphins (Stenella longirostris), silently move through the warm waters off Sri Lanka, January 26, 2009. In a new study dolphins have been declared the world’s second most intelligent creatures after humans. Scientists at the Emory University in Atlanta, Georgia argue that their work shows it is morally unacceptable to keep such intelligent animals in amusement parks. Photos: Paul HILTON

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Paul Hilton is a Hong Kong (China) photographer and photo-journalist covering Macau, Southern China and Asia. He is an assignment photographer for Greenpeace, Bloomberg News, European Press Photo Agency and Panos Pictures; and a member of the International League of Conservation Photographers (ILCP). Paul has worked in some of the most challenging areas of the world such as Burma, China, North Korea, Tibet and Africa.