Wabi-sabi, the Japanese aesthetic whereby greatness exists in the inconspicuous and overlooked details, and beauty can be coaxed out of ugliness. Wabi-sabi is central to the idea Japanese beauty and has the same importance to Japanese aesthetic values as the Greek ideals of beauty and perfection do in Western thought.
The beetroot leaf with holes in it didn't look like an attractive subject. But when I went closer and looked at it in the viewfinder, the Japanese aesthetic came to mind. That beauty can also lie in the overlooked and inconspicuous.