On warm days I noticed that flies would rest after feeding and start blowing bubbles, repeatedly blowing and drawing the bubble back in. I believe flies do this to clean their mouthparts. The fly was close to a Eucalyptus flower in the background, which was refracted in the bubble.
Wagga Wagga, New South Wales
Canon 1D MkIV, Canon MP-E 65mm lens, twin flash, 1/250, f11, ISO 100by Jenni Horsnell, New South Wales