A worker feeds bison in the 30-km exclusion zone around the Chernobyl nuclear reactor, near the village of Babchin, 06 April 2006. One quarter of Belarus' territory was severely contaminated and tens of thousands of people were evacuated from their homes as radiation from Chernobyl spread throughout the area in April 1986. AFP PHOTO / VIKTOR DRACHEV (Photo credit should read VIKTOR DRACHEV/AFP/Getty Images)