This ewer survived a shipwreck that happened more than 15 centuries ago, and maintained its intact condition during 1000 years under the sea. It's unbelievable!.
The Asia Society Institute presents a very interesting exhibition "Secrets of The Sea: A Tang Shipwreck and early Trade in Asia" to celebrate Asia Week New York Association.
This exhibition is a window into global artistic exchange in the ninth century. Amazingly, the exhibition presented many of the artworks discovered from gold and silver objects, bronze mirrors and groups of ceramics (all from China).

Long-necked ewer. China, probably Henan Province. Gongxian kilns. Tang dynasty, ca. 825-50. Glazed stoneware with copper-green splashes over white slip.