Oak trees being felled for the bark harvest . Bark was stripped from the branches and trunk, mixed with copperas and used as a black textile dye. It...
Stripping bark from oak trees. Mixed with copperas and used as a black textile dye. It was also used for tanning leather. From the Penny Magazine,...
equestrian statue "le veneur" in front of perrier château on champagne avenue in épernay (france). - 青礬 個照片及圖片檔
United States; California: Death Valley National Park. The winding road from Artist's Drive to the site of The Artist's Palette Formation, a site...死亡谷國家公園