Building a rainbow

Artist: TudorPC;
Exposure Date: 2010:06:15 19:54:51;
Copyright: TudorPC;
Make: NIKON CORPORATION;
Model: NIKON D300;
Exposure Time: 1/320.0 seconds s;
FNumber: f/5.6;
ISOSpeedRatings: ISO 400;
ExposureProgram: Other;
ExposureBiasValue: 0
MeteringMode: Other;
Flash: Flash did not fire;
FocalLength: 86.0 mm mm;
FocalLengthIn35mmFilm: 129 mm;
Software: Adobe Photoshop CS4 Windows;