What do you do when roughly speaking a thousand honey bees sudden landscape on a unresponsive branch on a tree contained by your front courtyard? they came out of nowhere and weren't near this morning. They...

they came out of nowhere and weren't near this morning. They can't stay there though because it's right by the sidewalk.
Answers:    Send for a pro bee guardian. They will remove them harmlessly to their hives, if they are wild bees they will return them to the countryside. Without bees the planet would die
Send a prayer of appreciation to your deity of choice. Honey bees are becoming dying out and thereby, endangered our agricultural industry.
You might try turning the hose on them (from a safe and sound distance). Honey bees are nowhere near as aggressive as pale jackets and the close to. When they're gone, move their favorite branch to a safer location.