English translation from above (via Google Translate):
"Background wall is cobblestoned? How?"

请原谅我的翻译

这是一个安装的产品，如瓷砖

我不知道在哪里可以得到它之外的美国，但在这家公司，你可以看到一个例子
http://www.islandstone.com/product-detail.php?id=23&keywords=Stacked_Pebble


English translation:
"Please forgive my translation.

It is a product that installs like tile.

I do not know where you can get it outside of the United States, but you can see an example at this company.
http://www.islandstone.com/product-detail.php?id=23&keywords=Stacked_Pebble"

Zen Paradise carries also has a line of standing pebble tiles. Visit www.zenparasdise.net. for full gallery.

Love the use of standing pebble tile on the wall! Gorgeous space!

Absolutely fabulous!