Making Bamboo a Common Building Material
Làm Cho Tre thành Vật Liệu Xây Dựng Thông Dụng
(Basic+Advanced)
https://www.facebook.com/le.quocan.146/videos/570565577436397/
Anne Ball
George Putic reported this story from Pittsburgh, Pennsylvania for VOA News.
Anna Matteo adapted it for...
