By using a 4 second exposure I was able to show the patterns left by the bubbles swirling around on the surface of the water flowing down from the waterfalls at West Burton. It's a great location no matter the time of year or amount of water.

The technical bit:
Location - West Burton, North Yorkshire
Camera - D7000
Lens - Nikon AF-S DX 17-55mm f/2.8G @17mm
Aperture - f16
Exposure - 4 seconds
ISO - 200