Thien duong (Paradise) Cave is among grandiose and mysterious caves of Phong Nha-Ke Bang National Park, a World Heritage Site in Quang Binh province (Photo: VNA).

Dong Van Karst Plateau UNESCO Global Geopark in Ha Giang province(Photo: VNA).

The complex of Hue Monuments was the first UNESCO World Heritage Site in Vietnam after it was recognized in 1993 (Photo: VNA).

Hoi An Ancient Town in Quang Nam province was declared a World Cultural Heritage Site by UNESCO in 1999 (Photo: VNA).

My Son Sanctuary in Quang Nam province was recognized as a UNESCO World Cultural Heritage Site in 1999 (Photo: VNA).

Imperial Citadel of Thang Long was listed in UNESCO's World Heritage Site in 2010 (Photo: VNA).

Citadel of the Ho Dynasty in Thanh Hoa province is named a UNESCO World Heritage Site in 2011 (Photo: VNA).

Trang An Landscape Complex in Ninh Binh province became a UNESCO World Heritage Site in 2014 (Photo: VNA).

The worship of Hung Kings in Phu Tho province recognized as a UNESCO Intangible Cultural Heritage of Humanity in 2012. (Photo: VNA).

The cultural space of the gongs in the Central Highlands of Vietnam (Photo: VNA).

Giong Festival of Phu Dong and Soc temples was named part of the intangible cultural heritage of humanity in 2010 (Photo VNA).

Recognised in 2011, Xoan singing of Phu Tho province is part of the intagible cultural heritage in need of urgent safeguarding (Photo: VNA).

The art of Don ca tai tu music and song in southern Vietnam was named in the list of the intangible cultural heritage of humanity in 2013 (Photo: VNA).

The 82 stone steles at the Temple of Literature, Vietnam’s first university, were inscribed in the Memory of the World Register (Photo: VNA).

The woodblocks of Nguyen Dynasty were also included in the Memory of the World Register (Photo: VNA).

Buddhist woodblocks at Vinh Nghiem Pagoda in Bac Giang province (Photo: VNA).

The woodblocks of Phuc Giang School, in Ha Tinh province, are registered as Documentary Heritage by the Memory of the World Committee in Asia-Pacific (Photo VNA).

Royal Literature on Hue Royal Architecture was recognized as Documentary Heritage in the Memory of the World Programme in the Asia-Pacific region (Photo: VNA).

Ca tru singing is in the List of Intangible Cultural Heritage in Need of Urgent Safeguarding (Photo: VNA).

Vi and Giam folk songs of Nghe Tinh are on the Representative List of the Intangible Cultural Heritage of Humanity (Photo VNA).

Vietnam's folk game tug-of-war was also named part of the Intangible Cultural Heritage of Humanity (Photo VNA).