Bees gather pollen from the flower head of a sunflower in Levico Terme near Trento in northern of Italy on August 17, 2014. AFP PHOTO / GIUSEPPE CACACE (Photo credit should read GIUSEPPE CACACE/AFP/Getty Images)
Bees gather pollen from the flower head of a sunflower in Levico Terme near Trento in northern of Italy on August 17, 2014. AFP PHOTO / GIUSEPPE CACACE (Photo credit should read GIUSEPPE CACACE/AFP/Getty Images)