Last summer was truly a summer that gave me a lot of meaning with my journey back to Cuc Phuong. An interesting encounter with a meager preserved primitive forest of Vietnam (Passive sentence). This is a rather characteristic forest of our country's tropical climate, vines growing over the large wooden trunks, they wrap up the host tree's trunk and rise up. There are creeper bushes that do not know how long they have lived, just know they are so intertwined that it is difficult to recognize what is the host tree, what is the live tree! This rather pristine forest, sometimes a few fearless squirrels, some foxes with wary eyes can be seen. The small squirrels quickly search the ground for seeds, the forelegs are raised deftly like arms holding the portions of food and bringing them to their mouths to eat deliciously (active sentence). The foxes look like they are looking for friends to vent some of their feelings out of! There are areas that are instructed to have snakes, wild chickens or birds .... We just let go of wandering to find and enjoy the fresh, quiet air away from the residential areas. dynamic)