A baby lies on a bed in the maternity ward of the Nawerewere Hospital on South Tarawa in the central Pacific island nation of Kiribati May 25, 2013. Kiribati consists of a chain of 33 atolls and islands that stand just metres above sea level, spread over a huge expanse of otherwise empty ocean. With surrounding sea levels rising, Kiribati President Anote Tong has predicted his country will likely become uninhabitable in 30-60 years because of inundation and contamination of its freshwater supplies. Picture taken May 25, 2013. REUTERS/David Gray (KIRIBATI - Tags: ENVIRONMENT POLITICS SOCIETY)

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