Jan Hosek & Marian Polak at Issa in December 2013

Jan Hosek and Marian Polak from the Czech Republic visit Issa to film Dr. Klara Petrzelkova and her work on chimpanzee parasitology in the Issa Valley.

Jan Hosek & Marian Polak at Issa in December 2013
Jan Hosek & Marian Polak at Issa in December 2013

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