Beekeeper Franc Petrovcic and his assistant check a beehive on the roof of the cultural center Cankarjev Dom in Ljubljana August 6, 2011. Five beehives were installed on the roof in the middle of the town in April 2011 and over 80 kilograms of honey were harvested in the first three months, said Petrovcic. REUTERS/Srdjan Zivulovic (SLOVENIA - Tags: SOCIETY ANIMALS)