Weekly Challenge: "Natural"

Show us something "Natural". Here are a few definitions:
1. existing in or formed by nature (opposed to artificial ): a natural bridge.
2. based on the state of things in nature; constituted by nature: Growth is a natural process.
3. of or pertaining to nature or the universe: natural beauty.
4. of, pertaining to, or occupied with the study of natural science: conducting natural experiments.
5. in a state of nature; uncultivated, as land.

Check out other natural Pbasers HERE