"<div class=""meta ""><span class=""caption-text "">Dr. Barron Hall (center), a board certified dentist and oral surgeon from the Animal Dental Clinic in Virginia, begins to pack the open root of the elephant?s tusk with dental cement. Assisting him is Dr. Carlos Sanchez (left), associate veterinarian for the Chicago Zoological Society?s Brookfield Zoo. (Photo/Barranquilla Zoo)</span></div>"
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