On 'World Bee Day,' the bees remained busy—and oblivious to threats that endanger their survival
On the eighth annual "World Bee Day," around 400,000 bees in urban rooftop hives in Cologne, Germany, were busy at work making honey.
On the eighth annual "World Bee Day," around 400,000 bees in urban rooftop hives in Cologne, Germany, were busy at work making honey.
