Leave only footprints

Exposure Date: 2012:10:27 15:49:51;
Make: PENTAX;
Model: PENTAX K-30;
ExposureTime: 1/640 s;
FNumber: f/5;
ISOSpeedRatings: 200;
ExposureProgram: Aperture priority;
ExposureBiasValue: 0/10;
FocalLength: 87 mm;
FocalLengthIn35mmFilm: 132 mm;
Software: Adobe Photoshop CS6 (Windows);