Keywords: Winter canal without 2nd Winter bridge.jpg Saint Isaac's Cathedral in 1900s http //www akland ru/arhiv/foto/otkritki/goroda/piter/piter_image/isaak jpg «Следы Ð²Ñ ÐµÐ¼ÐµÐ½Ð¸Â» < 1917 PD-Old Second Zimny bridge First Zimny bridge Winter Canal |