Nature

3. The daily appearance of the sun above the horizon.
6. A natural flowing watercourse, usually with banks and a bed.
8. A vast and continuous expanse of seawater.
11. A hollow in the earth, especially one opening more or less horizontally into a hill or mountain.
12. A shore of a body of water, often sandy or pebbly.
13. A dry, barren area with little or no vegetation.
14. An insect with two large, often brightly colored wings.
15. A large body of water surrounded by land.

1. A large natural elevation of the earth's surface rising abruptly.
2. A low area of land between hills or mountains.
4. A celestial body that emits light.
5. The daily disappearance of the sun below the horizon.
7. A large area covered chiefly with trees and undergrowth.
9. A cascade of water falling from a height.
10. A meteorological phenomenon caused by reflection, refraction, and dispersion of light.