"Thong Nhat" park, Hanoi. Thong Nhat Park covers an area of more than 50 ha. It is an elegant place in Hanoi. The park features many gardens and trees, as well as an island in the middle of the lake. There are games for children such as driving carts, a mirror house, train rides, and boats on the lake. During Tet holiday, the Spring Flower Festival is held in the park.