Then, you will get on a small sampan to go to Thung Nham bird park, where you can know more about the most features of this area with over 4000 birds of 40 different species flying to inhabit every day. Here, you can also get the best chance to take nice photos. You also discover the Hang But (Buddhist Cave), which at about 500m in length, magnificent view of the beautiful stalactites and stalagmites, consisting of a big Buddha-shaped stalactite sitting beside an underground river, as well as pay a visit to orchard of tropical fruits in this area. Finally, you will return to Hanoi late in this evening. Your bird watching tour will end at your hotel at around 19.00