Crepe Myrtle Attraction

My crepe myrtles (Lagerstroemia indica) are covered in balls of flowers at the moment, and I'm not the only one who loves them:

The bees were mainly gathering the pollen today. They collect an amazing amount in each trip. Look at the one below; the pollen sacs on her hind legs look full to bursting, yet she still wants more before she returns to the hive.