An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.

Fotografija 1: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012. AFP PHOTO / DAVID GANNON
Fotografija 2: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 3: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 4: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 5: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 6: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 7: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 8: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 9: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 10: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 11: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 12: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 13: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 14: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 15: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 16: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 17: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 18: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 19: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 20: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 21: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 22: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 23: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 24: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 25: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 26: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 27: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 28: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 29: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 30: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 31: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 32: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 33: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 34: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 35: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 36: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 37: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 38: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 39: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 40: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 41: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 42: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 43: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 44: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 45: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 46: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 47: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 48: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.
Fotografija 49: An operation replacinging an artificial knee is photographed at the Hygiea Clinic in Berlin's Schoeneberg district on July 11, 2012.