TAY NINH, VETNAM - JULY 26: Religious ceremony in Cao Dai Temple on July 26, 2012 in Tay Ninh, Vietnam. Estimates of the number of Cao Dai adherents in Vietnam to 2 to 3 million.
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TAY NINH, VETNAM - JULY 26: Religious ceremony in Cao Dai Temple on July 26, 2012 in Tay Ninh, Vietnam. Estimates of the number of Cao Dai adherents in Vietnam to 2 to 3 million.