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
Manila building code. According to the , the population of the city was , making it the second most populous city in the Philippines. Manila is the most densely populated city in the world, with 41,515 inhabitants per km in 2015. District 6 is listed as being the most dense with 68,266 inhabitants per km, followed by District 1 with 64,936 and District 2 with 64,710. District 5 is the least densely populated area with 19,235. Manila's population density dwarfs that of Kolkata (24,252 inhabitants per km), Mumbai (20,482 inhabitants per km), Paris (20,164 inhabitants per km), Dhaka (29,069 inhabitants per