Mingri “Ezra” Jin, head pastor of Zion Church, is seen on September 12, 2018, in Beijing, days after authorities shut down one of China’s largest “underground” Protestant churches. (Getty Images)
U.S President Barack Obama during a news conference in the East Room of the White House in response to the Iran nuclear deal on July 15, 2015 in Washington, DC. (Alex Wong/Getty Images)
US Secretary of State John Kerry (R) with Iran's Foreign Minister Mohammad Javad Zarif April 19, 2016 at the United Nations in New York. (DON EMMERT/AFP/Getty Images)
Iranian schoolgirls wave their national flag and hold an anti-US slogan during celebrations in Tehran's Azadi Square (Freedom Square) to mark the 37th anniversary of the Islamic revolution on February 11, 2016. (ATTA KENARE/AFP/Getty Images)
A S-200 surface-to-air missile is driven past Iranian military commanders during the annual military parade on September 22, 2015, in the capital Tehran. (ATTA KENARE/AFP/Getty Images)
Russian President Vladimir Putin (L) and U.S. President Barack Obama at the United Nations headquarters September 28, 2015 in New York City. (Chip Somodevilla/Getty Images)