We recently did a River cruise of the Mekong. Started in Ho Chi Minh City and end in Siem Reap.  We were not offered any pre or post opportunities. We were told to meet the tour leader on embarkation day at a hotel for them to pick up luggage. Thought that was odd. When we arrived at that hotel we were told that a group of us were going to a local place for lunch and then a 2 hour bus ride to the ship? We were not given that information. Worse yet was while on the cruise happened to find out w