Bumblebee Conservation Trust on Instagram: "All together now ... These Tree bumblebees are fanning their nest to keep it cool ️ Most UK bumblebees nest on or underground in our gardens and green spaces. Tree bumblebees, however, prefer to nest high above the ground – bird boxes containing old bird nests are a firm favourite  Have you spotted a Tree bumblebee nest?  Annette Knight #Nest #Spring #Bumblebees #Bees #Pollinators #Nature #Garden #NatureLovers #Fact #DidYouKnow"