File photo of a caretaker feeding lemurs at Antananarivo's Tsimbazaza Zoo in Madagascar
A caretaker feeds lemurs at Antananarivo's Tsimbazaza Zoo in Madagascar in this December 5, 2006 file photo. Perched on the muddy bank of a river meandering through rolling green hills, the Lemurs' Park near Madagascar's capital is rated one of the city's top attractions, but you would not know it from the number of visitors. To match feature MADAGASCAR-TOURISM/ REUTERS/Radu Sigheti/Files