To write and illustrate Achoo! Why Pollen Counts I researched and studied bees. One of the places I visited was the Museum of Science in Boston, MA. The MOS has a colony of live honeybees to safely study. The bees fly from outside into a tube connecting to their hive indoors. From these photos you can see them entering the building and then busy working in their hive.
Learn more about the MOS here.
Learn more about the MOS here.