Tang Yu understood the matter only after listening to Chu Yarou's explanation.

"Hey, brother-in-law, what are you holding in your hand?" Sun Yaoyao took Tangyu's float bottle at once. And Chu Yaruo Wu Mengting Joey also looked.

"Ancient bottle!" When Chu Yarou saw it, she said in surprise.

"Do you understand this?" Tang Yu looked at Chu Yarou strangely, but on second thought, Chu Yarou is not an archaeological department.

"Well, show me." Chu Ya took the bottle and looked at it carefully. "This is certainly not made by modern technology, it must be some years ago, but in what era, we have to make a precise calculation. Is it...