Center for Religious Freedom

Holocaust and Tree of Life synagogue survivor Judah Samet looks at photographs of his family, August 27, 2018 in Pittsburgh. (ANDREW RUSSELL/TRIBUNE-REVIEW)

Dr. Ahmad el-Tayeb, Grand Imam of Al Azhar Al Sharif and Pope Francis visit Sheikh Zayed Mosque on February 4, 2019 in Abu Dhabi, United Arab Emirates. (Francois Nel/Getty Images)

Catholic faithful stage a peaceful protest to condemn the rampant killing in Benue State, North Central of Nigeria in Abuja, Nigeria's capital on May 22, 2018. (next24online/NurPhoto via Getty Images)

The "Dome of the Rock" is seen from the window of the Dominos Flevit Church on the Mount of Olives in Jerusalem. (GETTY IMAGES)

People arrive to perform Eid al-Fitr prayer in Stockholm, Sweden on June 15, 2018. (Photo by Atila Altuntas/Anadolu Agency/Getty Images)

Catholic worshippers attend a mass on Holy Saturday, part of Easter celebrations at Beijing's government sanctioned South Cathedral on March 31, 2018. (Photo credit: GREG BAKER/AFP/Getty Images)

Christians pray during Palm Sunday mass inside the Cave Cathedral or St. Sama'ans Church on the Mokattam hills overlooking Cairo, Egypt on April 9, 2017. (Photo by Ibrahim Ezzat/NurPhoto via Getty Images)

A man prays during a mass at the South Cathedral in Beijing on September 22, 2018. (Photo credit: NICOLAS ASFOURI/AFP/Getty Images)

(Adrees Latif/Reuters)

Church in Ganaropp village in the Barikin Ladi area, Nigeria, June 27, 2018 (STEFAN HEUNIS/AFP/Getty Images)