Located about 20km west of Hue Imperial City, Emperor Gia Long's Mausoleum (or Thien Tho Mausoleum) is a relic of the Complex of Hue Monuments, which has been recognized by the UNESCO as a World Cultural Heritage Site.

Among many mausoleums of the Nguyen Dynasty, recognized by the UNESCO as a World Cultural Heritage in 1993, Emperor Gia Long's mausoleum is a magnificent painting of the coordination between nature and architecture; in which, nature is the main factor creating the grandeur of the architectural structure.

On the morning of February 22nd, at the tomb of Emperor Gia Long in Huong Tho commune, Hue city, Hue Monuments Conservation Center organized a ceremony to launch the “Tet trong cay” (“Tree Planting Festival”) in the Year of Dragon 2024.