Patriarch Kirill of Moscow and all Russia meets with Archbishop Justin Welby of Canterbury [Getty Images]

MOSCOW, RUSSIA - NOVEMBER 21, 2017: Justin Welby, Archbishop of Canterbury, and Patriarch Kirill (L-R) of Moscow and all Russia shake hands during a meeting at Danilov Monastery, the official residence of the Patriarch of Moscow and all Russia. Russian Orthodox Church Patriarchate Press Office/TASS (Photo by TASS\TASS via Getty Images)

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