It is held Fujioka Fuji( wisteria blossoms) Festival at Fuji no Saku Oka in Fujioka city,Gunma.
There is some kinds of wisteria.
And under the wisteria trellis, it was the scent of the wisteria.
It was really good!
So, bees came there! 
It is held untill 11th, May.