Fort Alexander - Credit: Wikimedia Commons
Fort Alexander - Credit: Wikimedia Commons
Fort Alexander, also Fort Alexander I, or Plague Fort ( Fort Aleksandr Perviy or Chumnyi fort, English: "Plague fort") is a naval fortress on an artificial island in the Gulf of Finland near St. Petersburg and Kronstadt. From 1899 to 1917, the fort housed a research laboratory on plague and other bacterial diseases. Read more on Wikipedia
Source: en.wikipedia.org