An Iranian woman holds up an Iranian flag as people celebrate a landmark nuclear deal in Tehran, Iran, Tuesday, July 14, 2015. Overcoming decades of hostility, Iran, the United States, and five other world powers struck a historic accord Tuesday to check Tehran's nuclear efforts short of building a bomb. The agreement could give Iran access to billions in frozen assets and oil revenue, stave off more U.S. military action in the Middle East and reshape the tumultuous region. (Photo by Ebrahim Noroozi/AP Photo)

Iranians celebrate following a landmark nuclear deal in Tehran, Iran, Tuesday, July 14, 2015. (Photo by Ebrahim Noroozi/AP Photo)

Iranian wave the national flag during celebration in northern Tehran on July 14, 2015, after Iran's nuclear negotiating team struck a deal with world powers in Vienna. Iranians poured onto the streets of Tehran after the Ramadan fast ended at sundown Tuesday to celebrate the historic nuclear deal agreed earlier with world powers in Vienna. (Photo by Atta Kenare/AFP Photo)

Iranians hold street celebrations following a nuclear deal with major powers, in Tehran July 14, 2015. (Photo by Reuters/TIMA)

Iranian women gesture as they celebrate in the streets following a nuclear deal with major powers, in Tehran July 14, 2015. (Photo by Reuters/TIMA)

Iranians hold pictures of Iranian Foreign Minister Mohammad Javad Zarif as they celebrate in the street following a nuclear deal with major powers, in Tehran July 14, 2015. (Photo by Reuters/TIMA)

Iranians gesture as they celebrate in the street following a nuclear deal with major powers, in Tehran July 14, 2015. Iran's president Hassan Rouhani said on Tuesday a nuclear deal with major powers would open a new chapter of cooperation with the outside world after years of sanctions, predicting the “win-win” result would gradually eliminate mutual mistrust. (Photo by Reuters/TIMA)

Iranians celebrate in the streets following a nuclear deal with six major world powers, in Tehran July 14, 2015. (Photo by Reuters/TIMA)

Iranians celebrate on the streets following a nuclear deal with major powers, in Tehran July 14, 2015. (Photo by Reuters/TIMA)

An Iranian woman gestures as she celebrates in the streets following a nuclear deal with major powers, in Tehran July 14, 2015. (Photo by Reuters/TIMA)

Iranians celebrate on the streets following a nuclear deal with major powers, in Tehran July 14, 2015. (Photo by Reuters/TIMA)

Iranians celebrate in the streets following a nuclear deal with six major world powers in Tehran July 14, 2015. (Photo by Reuters/TIMA)

Iranians celebrate in the streets following a nuclear deal with major powers, in Tehran July 14, 2015. (Photo by Reuters/TIMA)

A man holds a picture of Iran's President Hassan Rouhani as he celebrates with others in the streets following a nuclear deal with major powers, in Tehran July 14, 2015. (Photo by Reuters/TIMA)

A boy gestures as Iranians celebrate in the streets following a nuclear deal with major powers, in Tehran July 14, 2015. (Photo by Reuters/TIMA)