These are actually very small tiny flowers. They were arranged flourished in a nice sphere like arrangement. The shot is a crop of original and if you notice you can see the curve of the sphere arrangement at the extreme right and left ends with the flowers getting out of focal plane.
Camera Canon EOS Digital Rebel XSi
Exposure 0.003 sec (1/400)
Aperture f/5.0
Focal Length 150 mm
ISO Speed 200
Exposure Bias -1 EV
Lens Canon EF 70-300