Tehran (CNN)When you fly to Iran these days the planes are a little more full than before.
Business travelers are making their way to Tehran scoping out opportunities, hoping that sanctions might be lifted soon.
More tourists also appear to be on the planes coming from Frankfurt, Rome, Istanbul and the few other places that have direct flights to Iran.
The Iranian government says it expects a 6.6% rise in the number of tourists for 2015.
With a new agreement between Iran and the West over the country's nuclear plans, this could go even higher.
President Hassan Rouhani's administration has made tourism development one of its major policy goals in a drive to revive an economy buckling under sanctions.
"We divide our tourists into four groups," Iran's Vice President for Tourism and National Heritage Masoud Soltanifar told me in an interview