Once a massive construction in the past, Phung Tien Palace inside Hue Imperial Citadel was completely destroyed after many historical upheavals. Since 2017, the complex of Phung Tien Palace has been gradually restored through a cooperation project between Vietnam and the Federal Republic of Germany to preserve the remaining structures and revive their original shape and function.

The application of technology is an effective solution to bring heritage on exhibition at museums and monuments closer to the public.