Arad–Szeged pipeline Arad–Szeged pipeline The Arad–Szeged pipeline is a natural gas pipeline from Arad in Romania to Szeged in Hungary diversifying natural gas suppliers and delivery routes for the two countries and connects the two natural gas national grids. The pipeline attempts to lessen the two country's dependence on Russian energy. The Arad–Szeged pipeline is part of the larger New European Transmission System meant to unite Central and South Eastern Europe's natural gas transmission networks. Preparations for the project started in 2008 and the intergovernmental agreement between Romania and Hungary was signed on 1 July 2008. The project is developed by the
Metropolitan City of Cagliari 470 km² are covered by forests, lagoons, ponds and salt marshes, the really populated area is 777.8 km². So the real population density rises to 553 Inhab./km². In 1861, the municipalities of the current metropolitan city had 67,063 inhabitants, while the city proper had 33,491. Since then the city had a population growth of 461%, while the metropolitan municipalities as an all had an increase of 644%. In that year Cagliari had a population that was the 50% of the metropolitan area, while now it is only the 36%. According to 2014 data from the Ministry of Economy and Finance,