This particular Cao Dai Temple is near Saigon or Ho Chi Minh City and is very small by comparison with the major temple of Tay Ninh.  This religion is a composite of the major religions of the world - Christianity, Buddhism, Taoism, Confucianism but also include elements of Judaism, Islam and Geniism (an indigenous Vietnamese) religion.  It is the third largest religion in Vietnam but there also several temples in the United States and Europe.