The first part of this movie is playing at 1/2 speed. Most of it is running at 1/3 speed. Sure makes it easier to observe bee behaviors.
Notice the arriving cargo bees with pollen packed on their legs. Also, do you agree there is a non-random number of instances where an arriving bee head-butts a departing bee? Notice starting at 21 seconds, a bee stumbles out of the house on to the front deck, rubs her face with her front feet as if to wake up, then takes off for the day. In the last second, see on the right where an arriving bee and a bee just taken off collide. This is a very busy airport.