Researcher Nguyen Quang Trung Tien said that based on the initial research, it can be affirmed that the newly discovered bronze cannon in Danang originated from the Netherlands.
Fireworks are a type of public performance usually held during New Year holidays or special celebrations in Vietnam and many parts of the world.
Researchers are trying to find ways to preserve these bullets, which will be corroded if exhibited.
These valuable discoveries are misjudged by researchers and gradually fall into oblivion.
A group of researchers discovered a 12-meter-long section of ship life buried deep in the sand in the area of Nagasaki prefecture, south of Japan.