Poland - Torun, the city of Copernicus, on the eve of the jubilee. Nicaragua - Consequences of the earthquake in Managua. Afghanistan - "At the foot of the Buddha." Iceland - The eruption of Helgafel volcano on the island of Heimai. Holland - The strongest flood of 1953 in the southern regions of the country. 1973 - completion of the construction of dams and dams for flood protection.