This picture shows three traditional Chinese bamboo tubes with carved Chinese characters.

These bamboo tubes are one of the important artifacts in ancient Chinese culture, and they were typically used to preserve and transmit important documents, books, or poems.

The craftsmanship required to make these bamboo tubes is exquisite, involving multiple steps to complete.

Their appearance is simple yet elegant, giving a sense of antiquity.

In ancient times, people often placed important documents or books inside the bamboo tubes and then buried them underground or in caves to protect them from the erosion of time and natural forces.

These bamboo tubes have become a precious cultural heritage, representing the brilliance and wisdom of ancient Chinese culture.