"THISpictureSHOWStheSOUTHERNskyABOVEsomeBUILDINGS-YOUcanSEEtheCHANGINGcourseOFtheSPRINGsun.THEexposureLASTED3weeks(FOCALdist.22mm,THEhole0,5mm)WHILEaSENSIBLEpaperPICKEDupTHEprojectedIMAGE.THENthePAPERwasJUSTfixed.FinallyIconvertedITtoTHEpositive."