The center of St Petersburg, as seen from a canal; Canals are artificial waterways built from the time of St. Petersburg's founding (by Tsar Peter I on 16 May 1703) to drain low and swamp lands and create convenient access to ship construction materials and other cargoes. (Peter the Great’s wish to create "a second Venice" was another reason for such large-scale canal construction.) Canals were dug in Vasilievsky Island in the second half of the 18th century (and filled up in 1770-1780s). The most important thoroughfares included Ekaterininsky (today, the Griboyedov Canal), Obvodny, Admiralty and Ligovsky Canals (they also supplied water to the adjacent districts.) Most canal banks were originally undeveloped, and the canals did not fulfill...