Why Do Humans Find Flowers Beautiful?

Coevolution is known to create a lot of knowledge and to create it relatively fast compared with other processes. Why do humans find specifically flowers, usually beautiful? I think the answer is that in during this coevolution, the evolution did not go along the usual path of just finding things that sort of match together between the two sides. They both found a thing that matches with something objective. And that's that's how they bridge the gap. We like things for cultural and genetic reasons too.