The idea is that each country has own challenges in this region and there are common challenges for the whole region, he said at the Third Black Sea Stakeholder conference in Odessa on Tuesday. Vella said that the EU backs the region in general. He added that he sees the largest potential for development of the Black Sea region in the tourism industry. Conference participants discussed the prospects for increasing the region's attractiveness for tourists, scientific cooperation, sustainable use of the Black Sea and other issues.