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)
Fighters from Al-Qaeda's Syrian affiliate Al-Nusra Front drive in the northern Syrian city of Aleppo flying Islamist flags as they head to a frontline, on May 26, 2015. (Fadi al-Halabi/AFP/Getty Images)
Saudi Defence Minister Mohammed bin Salman (2nd L), who is the desert kingdom's deputy crown prince, at the 4th Summit of Arab States and South American countries in Riyadh, on November 11, 2015. (FAYEZ NURELDINE/AFP/Getty Images)
The Trevi fountain is illuminated in red to symbolize blood of persecuted Christians around the world, on April 29, 2016 in Rome. (GABRIEL BOUYS/AFP/Getty Images)
Royal Australian Navy warships HMAS Darwin (R) and HMAS Parramatta enter Sydney Harbour on October 4, 2013 in Sydney, Australia. (Cameron Spencer/Getty Images)