Chinese culture generally differs from any other countries in the world. Some of their precious articles of trade like silk, porcelain and Chinese tea make known the distinctiveness of Chinese culture. The existence of Siberian winter to its north, heavy rainforests to its south, the great Himalayas Mountain, Gobi and the Taklamakan arid region have secluded China from the rest of the world. Thus, Chinese cultures were so rare and unique as it was developed in isolation.