It's easy to take a picture of a flower if it merely looks like so. The more interesting part is to capture the intricate design of a flower so it may look like a piece of sculpture, or some fascinating architecture...
The Macro lense gives me a new perspective to look at the delicate details of those beautiful flowers. Many details are often overlooked by a pair of untrained eyes.
For some subject, like flowers, there is really much skills of composition needed. Keep shooting and keep discovering the wander of a beautiful world.