When a contribution in the sphere of science is transformed into the basis for subsequent in-depth research the boundaries between countries and continents seem to melt away – literally and figuratively. That is precisely what happened during a..
Many photographs, including those taken from a bird's eye view, of depopulated villages, which served as the terrain for the construction of some of the water reservoirs in Bulgaria, are presented in the "Submerged Heritage" exhibition. It has been..
