There is no pollution of the Bulgarian Black Sea area, the Ministry of Environment and Water said on July 8. The outlook for the northwestern part of the Black Sea remains favorable until July 15, with potential pollutants remaining in Ukraine's..
In the 20th century, the Dragoman marsh located 35 km from Sofia was almost completely drained for agricultural purposes after the construction of drainage canals and a pumping station in the area. Later, the natural landmark was restored with..
