This video from the USA says about itself:
Entomology Students Do the Waggle Dance
17 October 2015
During the 2012 Annual Meeting of the Entomological Society of America, graduate student Sheena Sidhu asked other students to do the waggle dance, a series of movements done by honey bees to show other bees the location of a good food source.
All the foods we’d miss out on without bees.