The deal struck between Iran and six world powers over its nuclear program should see sanctions against the country beginning to ease by next year. Iranians are hoping the ＿＿（41）＿＿ of travel restrictions could prompt an influx of international tourists. Travel agencies have already seen an increase in demand. With its ancient architecture, 42landscapes and warm people, tour companies describe Iran as one of the unexplored jewels of the Middle East. But the country's ＿＿（43）＿＿ since the 1979 Islamic Revolution has seen visitor numbers from the West fall. The latest ＿＿（44）＿＿ show only 90,000 arrivals from North America and the European Union in 2013. Former diplomat Mehrdad Khonsari said there's a lot of work to do. "The difficulties we've had in Iran have definitely hurt the tourist industry in the sense that people are afraid to go. But those people that ＿＿（45）＿＿ and overcame these considerations and visited Iran were never sorry," said Khonsari.