Going all the way to Tay Ninh to arrive at the Great Caodai Holy See in time for its noontide prayer service, you will join a peculiar but solemn ceremony with the congregation attired in lively red, yellow, blue and white and chanting religious hymns. After having lunch in Tay Ninh, you will return to Ho Chi Minh City, making a stop at the “underground village” at Ben Duoc in Cu Chi District, which used to be a guerilla stronghold during the Vietnam War.