Rhythm of stairs

Exposure Date: 2011:07:22 14:49:38;
Make: NIKON CORPORATION;
Model: NIKON D300;
Exposure Time: 1/20.0 seconds s;
FNumber: f/6.3;
ISOSpeedRatings: ISO 1000;
ExposureProgram: Other;
ExposureBiasValue: +715827882 1/3
MeteringMode: Other;
Flash: Flash did not fire;
FocalLength: 26.0 mm mm;
FocalLengthIn35mmFilm: 39 mm;
Software: Adobe Photoshop CS5 Windows;