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Dream Creek pen talk about instrument use
Lens: "Black technology" that has been lost for more than 1,000 years, and the manufacturing technology cannot be copied by modern people
Bronze
mirror
Shanghai Museum
Dream Creek pen talk about instrument use
04-12
![Lens: "Black technology" that has been lost for more than 1,000 years, and the manufacturing technology cannot be copied by modern people[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)