Head of the International Atomic Energy Agency Rafael Mariano Grossi, left, and Iranian Foreign Minister Hossein Amirabdollahian pictured meeting in Tehran, on Tuesday. Grossi pressed for greater access in the Islamic Republic ahead of diplomatic talks restarting over Tehran's tattered nuclear deal with world powers. Vahid Salemi/AP hide caption
Elham Farahmand Marjan Yazdi hide caption
A man reads the news about the U.S. elections on Nov. 9 in Tehran. Many Iranians are hopeful that President Biden will lifts sanctions imposed on Iran by his predecessor. Anadolu Agency/Anadolu Agency via Getty Images hide caption
State Dept. Spokesman Ned Price, seen on Monday, says the Biden administration is willing to talk with Iranian and European officials about the nuclear deal. Kevin Lamarque/AP hide caption
The Trump administration has sanctioned two Iranian officials over the disappearance and likely death of former FBI agent Robert Levinson, shown here in a March 6, 2012, FBI poster. Manuel Balce Ceneta/AP hide caption
Certain goods, such as food products, are not affected by secondary sanctions on Iran. Atta Kenare/AFP via Getty Images hide caption
Tajrish market, located in northern Tehran Marjan Yazdi for NPR hide caption
Cancer patients receive chemotherapy treatment at Roshana Cancer Center, a private clinic in western Tehran. Marjan Yazdi for NPR hide caption
An Iranian security official in protective clothing walks through a uranium conversion facility in 2005. Iran says it is now enriching uranium above the limit set in the 2015 nuclear deal. Vahid Salemi/AP hide caption
Young women walk past a mural showing the Iranian flag in Tehran on April 23. The White House announced Monday it was ending waivers exempting several countries from U.S. sanctions on Iranian oil exports. Atta Kenare/AFP/Getty Images hide caption
Part of the Pardis petrochemical complex facilities in Assaluyeh, on the northern coast of the Persian Gulf, Iran. The United States has reimposed sanctions targeting Iran's economy. Iranian Presidency Office via AP hide caption
An exchange shop displays rates for various currencies in downtown Tehran last month. Iran is bracing for the restoration of U.S. sanctions on its vital oil industry set to take effect on Monday, as it grapples with an economic crisis that has sparked sporadic protests over rising prices, corruption and unemployment. Vahid Salemi/AP hide caption
An Iranian woman walks past the former U.S. Embassy in Tehran, which bears a mural depicting the Statue of Liberty with a dead face. With just days to go until the U.S. plans to snap more sanctions back into place, questions linger about what the move spells for the world. Aatta Kenare/AFP/Getty Images hide caption