(VOVworld) - Amazing ancient craters and coral reef symbiosis on sedimentary rocks make Ly Son Island in Binh Chau coastal commune, Quang Ngai southcentral province a rare geological heritage of the world.

Mount Thoi Loi is the largest prominent crater on Ly Son Island

The Mount in the sunset

A 10-million-year-old sedimentary rock islet.

Stunning flowers on the island

Ancient Duc pagoda in Gieng Tien Mount

Volcano tectonic activity created the unique Hang Pagoda on the coast of Ly Son Island.

According to Prof. Nguyen Hoang from the Japan National Science and Technology Institute, the volcanic eruption on the island of Ly Son varied, from the deep to shallow sea and on land. This can be considered a "natural museum of volcanic activity" that is very rare in the world.

Cliff Dun, a relic of volcanic activity in An Binh commune, Ly Son island district.

Volcanic eruptions that occurred millions of years ago created cliffs stretching for kilometres on the island of Ly Son

Other sedimentary cliffs in Binh Chau commune's coastal area