By Denitsa Koseva in Sofia Bulgaria and Romania joined the Schengen border-free area on March 31 after years of waiting and repeated vetoes by Schengen members. However, the two countries are only admitted to the air and sea Schengen area, and it is not clear when they will be allowed to lift land borders with Schengen members. Despite that, accession to Schengen will bring Bulgaria and Romania significant advantages, particularly in tourism and trade. Starting March 31, EU citizens can travel to and from the two countries without passport checks, which is expected to save significant time and…