Start the tour with the ornate temple of Cao Dai which is a combination of Buddhism, Christianity, Taoism and Confucianism. Then, attend the fantastic mid-day service together with the followers. After lunch, drive back and stop to visit Cuchi Tunnel system, the incredible underground tunnel network constructed by Vietnamese fighters during the long struggle for independence. From 1988, two sections of tunnels have been open for visitors. Back to Hochiminh city, end tour.