What in the BEE WORLD?

Heard the expression ‘A picture is worth a thousand words’? Here is a picture (SEE BELOW)  that may be worth a thousand questions. Photo from web source Pinterest (and most recently seen in Cowlitz WA Beekeeping newsletter). To begin with Why? Why two levels? What is problem this is attempting to solve? How does the beekeeper access? Who carries full supers to the ground? What happens when you drop your hive tool? etc? What question would you like to ask this beekeeper? For more photos of “natural” hives check out https://www.pinterest.es/pin/115897390382664942/