Perhaps you know nothing about early porcelain? (you should read "The white road" by Edmund De Waal), or celadon ceramics that travelled across much of the known world from China to Europe?

Anyway, the images in this paper about underwater #archaeology are striking for the variety of products that were found at this shipwreck site in Singapore

The Temasek Wreck ceramics cargo: Yuan blue-and-white porcelain, celadon and other ceramics found in Singapore waters
https://www.sciencedirect.com/science/article/pii/S3050997125000132?via%3Dihub