China was the central source for silk. Silk was a precious luxurious cloth used for clothes, decoration etc. China made Silk from silkworms and China was the only one who grasped this secret. China had about eight billion dollars of
China was the central source for silk. Silk was a precious luxurious cloth used for clothes, decoration etc. China made Silk from silkworms and China was the only one who grasped this secret. China had about eight billion dollars of