Awesome. Our guide, The Anh, was friendly, easygoing, enthusiastic, and cute, all required in a good guide. He took good pictures as well lol. Note: Cu Chi has 2 areas, so for half a day, you can fully visit either, not both. Ask the guide and they should be pleased to answer. You will arrive back in HCMC at around 2 pm. They have water and light snacks on the way as well. Recommend for both domestic and international visitors.