One sheet of traditional Vietnamese dó paper can last 800 years. Only a few families in Bac Ninh province still put in the weeks it takes to transform a piece of bark into a single sheet. But industrialized paper mills have brought this craft to the brink of extinction. So how is this centuries-old craft still standing?br br Zo Project- Spirit of Vietnam Handmade Paperbr —-br Website: www.Zoproject.combr Facebook: Zoprojectbr Instagram.comzoprojecthanoibr Etsy.