In addition to their show of splashing around the surface of the water, the humpbacks enchant visitors as their cries echo below the water, conducting a beautiful symphony for divers used to listening to just the sound of their own breathing.

BBC: Colombia��s prison turned paradise

They have fancy brochures, there are video tapes that are available showing the student amenities and the students sitting in rapt attention listening to whoever is pontificating at the moment, students playing Frisbee on the lawns, those beautiful green lawns of universities.

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